Home / 104,712.29-157,067.71-42,381.89

Finding the Fourth Proportional to 104,712.29, 157,067.71 and 42,381.89

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Solution

The fourth proportional to 104,712.29, 157,067.71 and 42,381.89 is: 63,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.29 : 157,067.71 = 42,381.89 : x
  2. Step 2: Convert to fraction form
    104,712.29/157,067.71 = 42,381.89/x
  3. Step 3: Cross multiply
    104,712.29x = 157,067.71 × 42,381.89
  4. Step 4: Simplify right side
    104,712.29x = 6,656,826,407.77
  5. Step 5: Solve for x
    x = 6,656,826,407.77/104,712.29
  6. Step 6: Final answer
    x = 63,572.54

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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.