Home / 90,505.93-124,898.19-50,226.18

Finding the Fourth Proportional to 90,505.93, 124,898.19 and 50,226.18

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Solution

The fourth proportional to 90,505.93, 124,898.19 and 50,226.18 is: 69,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.93 : 124,898.19 = 50,226.18 : x
  2. Step 2: Convert to fraction form
    90,505.93/124,898.19 = 50,226.18/x
  3. Step 3: Cross multiply
    90,505.93x = 124,898.19 × 50,226.18
  4. Step 4: Simplify right side
    90,505.93x = 6,273,158,972.61
  5. Step 5: Solve for x
    x = 6,273,158,972.61/90,505.93
  6. Step 6: Final answer
    x = 69,312.13

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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.