Home / 137,526.85-189,827.39-89,787.34

Finding the Fourth Proportional to 137,526.85, 189,827.39 and 89,787.34

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Solution

The fourth proportional to 137,526.85, 189,827.39 and 89,787.34 is: 123,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,526.85 : 189,827.39 = 89,787.34 : x
  2. Step 2: Convert to fraction form
    137,526.85/189,827.39 = 89,787.34/x
  3. Step 3: Cross multiply
    137,526.85x = 189,827.39 × 89,787.34
  4. Step 4: Simplify right side
    137,526.85x = 17,044,096,407.24
  5. Step 5: Solve for x
    x = 17,044,096,407.24/137,526.85
  6. Step 6: Final answer
    x = 123,932.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.