Home / 90,238.90-124,526.88-51,997.38

Finding the Fourth Proportional to 90,238.90, 124,526.88 and 51,997.38

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Solution

The fourth proportional to 90,238.90, 124,526.88 and 51,997.38 is: 71,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238.90 : 124,526.88 = 51,997.38 : x
  2. Step 2: Convert to fraction form
    90,238.90/124,526.88 = 51,997.38/x
  3. Step 3: Cross multiply
    90,238.90x = 124,526.88 × 51,997.38
  4. Step 4: Simplify right side
    90,238.90x = 6,475,071,499.57
  5. Step 5: Solve for x
    x = 6,475,071,499.57/90,238.90
  6. Step 6: Final answer
    x = 71,754.77

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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.