Home / 90,729.35-136,121.69-46,387.24

Finding the Fourth Proportional to 90,729.35, 136,121.69 and 46,387.24

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Solution

The fourth proportional to 90,729.35, 136,121.69 and 46,387.24 is: 69,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,729.35 : 136,121.69 = 46,387.24 : x
  2. Step 2: Convert to fraction form
    90,729.35/136,121.69 = 46,387.24/x
  3. Step 3: Cross multiply
    90,729.35x = 136,121.69 × 46,387.24
  4. Step 4: Simplify right side
    90,729.35x = 6,314,309,503.24
  5. Step 5: Solve for x
    x = 6,314,309,503.24/90,729.35
  6. Step 6: Final answer
    x = 69,595.00

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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.