Home / 136,391-204,593.76-42,904.04

Finding the Fourth Proportional to 136,391, 204,593.76 and 42,904.04

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Solution

The fourth proportional to 136,391, 204,593.76 and 42,904.04 is: 64,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,391 : 204,593.76 = 42,904.04 : x
  2. Step 2: Convert to fraction form
    136,391/204,593.76 = 42,904.04/x
  3. Step 3: Cross multiply
    136,391x = 204,593.76 × 42,904.04
  4. Step 4: Simplify right side
    136,391x = 8,777,898,862.79
  5. Step 5: Solve for x
    x = 8,777,898,862.79/136,391
  6. Step 6: Final answer
    x = 64,358.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.