Home / 90,151.38-124,404.66-49,314.62

Finding the Fourth Proportional to 90,151.38, 124,404.66 and 49,314.62

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Solution

The fourth proportional to 90,151.38, 124,404.66 and 49,314.62 is: 68,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,151.38 : 124,404.66 = 49,314.62 : x
  2. Step 2: Convert to fraction form
    90,151.38/124,404.66 = 49,314.62/x
  3. Step 3: Cross multiply
    90,151.38x = 124,404.66 × 49,314.62
  4. Step 4: Simplify right side
    90,151.38x = 6,134,968,845.14
  5. Step 5: Solve for x
    x = 6,134,968,845.14/90,151.38
  6. Step 6: Final answer
    x = 68,051.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.