Home / 212,160.48-292,781.04-121,545.78

Finding the Fourth Proportional to 212,160.48, 292,781.04 and 121,545.78

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Solution

The fourth proportional to 212,160.48, 292,781.04 and 121,545.78 is: 167,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,160.48 : 292,781.04 = 121,545.78 : x
  2. Step 2: Convert to fraction form
    212,160.48/292,781.04 = 121,545.78/x
  3. Step 3: Cross multiply
    212,160.48x = 292,781.04 × 121,545.78
  4. Step 4: Simplify right side
    212,160.48x = 35,586,299,876.01
  5. Step 5: Solve for x
    x = 35,586,299,876.01/212,160.48
  6. Step 6: Final answer
    x = 167,732.93

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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.