Home / 90,817.20-136,225.80-46,530.45

Finding the Fourth Proportional to 90,817.20, 136,225.80 and 46,530.45

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Solution

The fourth proportional to 90,817.20, 136,225.80 and 46,530.45 is: 69,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.20 : 136,225.80 = 46,530.45 : x
  2. Step 2: Convert to fraction form
    90,817.20/136,225.80 = 46,530.45/x
  3. Step 3: Cross multiply
    90,817.20x = 136,225.80 × 46,530.45
  4. Step 4: Simplify right side
    90,817.20x = 6,338,647,775.61
  5. Step 5: Solve for x
    x = 6,338,647,775.61/90,817.20
  6. Step 6: Final answer
    x = 69,795.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.