Home / 90,732.35-136,126.19-46,390.24

Finding the Fourth Proportional to 90,732.35, 136,126.19 and 46,390.24

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Solution

The fourth proportional to 90,732.35, 136,126.19 and 46,390.24 is: 69,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.35 : 136,126.19 = 46,390.24 : x
  2. Step 2: Convert to fraction form
    90,732.35/136,126.19 = 46,390.24/x
  3. Step 3: Cross multiply
    90,732.35x = 136,126.19 × 46,390.24
  4. Step 4: Simplify right side
    90,732.35x = 6,314,926,624.39
  5. Step 5: Solve for x
    x = 6,314,926,624.39/90,732.35
  6. Step 6: Final answer
    x = 69,599.50

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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.