Home / 215,397.50-297,227.03-124,782.62

Finding the Fourth Proportional to 215,397.50, 297,227.03 and 124,782.62

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Solution

The fourth proportional to 215,397.50, 297,227.03 and 124,782.62 is: 172,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,397.50 : 297,227.03 = 124,782.62 : x
  2. Step 2: Convert to fraction form
    215,397.50/297,227.03 = 124,782.62/x
  3. Step 3: Cross multiply
    215,397.50x = 297,227.03 × 124,782.62
  4. Step 4: Simplify right side
    215,397.50x = 37,088,765,428.17
  5. Step 5: Solve for x
    x = 37,088,765,428.17/215,397.50
  6. Step 6: Final answer
    x = 172,187.54

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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.