Home / 215,885.06-323,689.02-89,612.47

Finding the Fourth Proportional to 215,885.06, 323,689.02 and 89,612.47

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Solution

The fourth proportional to 215,885.06, 323,689.02 and 89,612.47 is: 134,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,885.06 : 323,689.02 = 89,612.47 : x
  2. Step 2: Convert to fraction form
    215,885.06/323,689.02 = 89,612.47/x
  3. Step 3: Cross multiply
    215,885.06x = 323,689.02 × 89,612.47
  4. Step 4: Simplify right side
    215,885.06x = 29,006,572,594.08
  5. Step 5: Solve for x
    x = 29,006,572,594.08/215,885.06
  6. Step 6: Final answer
    x = 134,361.19

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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.