Home / 215,358.01-297,167.34-124,712.53

Finding the Fourth Proportional to 215,358.01, 297,167.34 and 124,712.53

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Solution

The fourth proportional to 215,358.01, 297,167.34 and 124,712.53 is: 172,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,358.01 : 297,167.34 = 124,712.53 : x
  2. Step 2: Convert to fraction form
    215,358.01/297,167.34 = 124,712.53/x
  3. Step 3: Cross multiply
    215,358.01x = 297,167.34 × 124,712.53
  4. Step 4: Simplify right side
    215,358.01x = 37,060,490,804.77
  5. Step 5: Solve for x
    x = 37,060,490,804.77/215,358.01
  6. Step 6: Final answer
    x = 172,087.82

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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.