Home / 145,132.61-217,781.82-56,374.56

Finding the Fourth Proportional to 145,132.61, 217,781.82 and 56,374.56

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Solution

The fourth proportional to 145,132.61, 217,781.82 and 56,374.56 is: 84,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,132.61 : 217,781.82 = 56,374.56 : x
  2. Step 2: Convert to fraction form
    145,132.61/217,781.82 = 56,374.56/x
  3. Step 3: Cross multiply
    145,132.61x = 217,781.82 × 56,374.56
  4. Step 4: Simplify right side
    145,132.61x = 12,277,354,278.50
  5. Step 5: Solve for x
    x = 12,277,354,278.50/145,132.61
  6. Step 6: Final answer
    x = 84,594.05

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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.