Home / 142,672.12-214,001.50-58,411.44

Finding the Fourth Proportional to 142,672.12, 214,001.50 and 58,411.44

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Solution

The fourth proportional to 142,672.12, 214,001.50 and 58,411.44 is: 87,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,672.12 : 214,001.50 = 58,411.44 : x
  2. Step 2: Convert to fraction form
    142,672.12/214,001.50 = 58,411.44/x
  3. Step 3: Cross multiply
    142,672.12x = 214,001.50 × 58,411.44
  4. Step 4: Simplify right side
    142,672.12x = 12,500,136,458.19
  5. Step 5: Solve for x
    x = 12,500,136,458.19/142,672.12
  6. Step 6: Final answer
    x = 87,614.43

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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.