Home / 142,001.72-212,799.60-104,265.72

Finding the Fourth Proportional to 142,001.72, 212,799.60 and 104,265.72

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Solution

The fourth proportional to 142,001.72, 212,799.60 and 104,265.72 is: 156,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,001.72 : 212,799.60 = 104,265.72 : x
  2. Step 2: Convert to fraction form
    142,001.72/212,799.60 = 104,265.72/x
  3. Step 3: Cross multiply
    142,001.72x = 212,799.60 × 104,265.72
  4. Step 4: Simplify right side
    142,001.72x = 22,187,703,509.71
  5. Step 5: Solve for x
    x = 22,187,703,509.71/142,001.72
  6. Step 6: Final answer
    x = 156,249.55

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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.