Home / 154,312.88-231,445.89-42,001.83

Finding the Fourth Proportional to 154,312.88, 231,445.89 and 42,001.83

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Solution

The fourth proportional to 154,312.88, 231,445.89 and 42,001.83 is: 62,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.88 : 231,445.89 = 42,001.83 : x
  2. Step 2: Convert to fraction form
    154,312.88/231,445.89 = 42,001.83/x
  3. Step 3: Cross multiply
    154,312.88x = 231,445.89 × 42,001.83
  4. Step 4: Simplify right side
    154,312.88x = 9,721,150,925.98
  5. Step 5: Solve for x
    x = 9,721,150,925.98/154,312.88
  6. Step 6: Final answer
    x = 62,996.37

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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.