Home / 215,270.48-297,098.87-123,422.63

Finding the Fourth Proportional to 215,270.48, 297,098.87 and 123,422.63

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Solution

The fourth proportional to 215,270.48, 297,098.87 and 123,422.63 is: 170,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,270.48 : 297,098.87 = 123,422.63 : x
  2. Step 2: Convert to fraction form
    215,270.48/297,098.87 = 123,422.63/x
  3. Step 3: Cross multiply
    215,270.48x = 297,098.87 × 123,422.63
  4. Step 4: Simplify right side
    215,270.48x = 36,668,721,802.82
  5. Step 5: Solve for x
    x = 36,668,721,802.82/215,270.48
  6. Step 6: Final answer
    x = 170,337.90

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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.