Home / 90,024.96-134,935.68-54,887.52

Finding the Fourth Proportional to 90,024.96, 134,935.68 and 54,887.52

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Solution

The fourth proportional to 90,024.96, 134,935.68 and 54,887.52 is: 82,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.96 : 134,935.68 = 54,887.52 : x
  2. Step 2: Convert to fraction form
    90,024.96/134,935.68 = 54,887.52/x
  3. Step 3: Cross multiply
    90,024.96x = 134,935.68 × 54,887.52
  4. Step 4: Simplify right side
    90,024.96x = 7,406,284,834.71
  5. Step 5: Solve for x
    x = 7,406,284,834.71/90,024.96
  6. Step 6: Final answer
    x = 82,269.24

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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.