Home / 237,769.73-328,038.15-135,721.58

Finding the Fourth Proportional to 237,769.73, 328,038.15 and 135,721.58

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Solution

The fourth proportional to 237,769.73, 328,038.15 and 135,721.58 is: 187,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,769.73 : 328,038.15 = 135,721.58 : x
  2. Step 2: Convert to fraction form
    237,769.73/328,038.15 = 135,721.58/x
  3. Step 3: Cross multiply
    237,769.73x = 328,038.15 × 135,721.58
  4. Step 4: Simplify right side
    237,769.73x = 44,521,854,887.04
  5. Step 5: Solve for x
    x = 44,521,854,887.04/237,769.73
  6. Step 6: Final answer
    x = 187,247.78

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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.