Home / 140,741.52-194,224.95-77,082

Finding the Fourth Proportional to 140,741.52, 194,224.95 and 77,082

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Solution

The fourth proportional to 140,741.52, 194,224.95 and 77,082 is: 106,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.52 : 194,224.95 = 77,082 : x
  2. Step 2: Convert to fraction form
    140,741.52/194,224.95 = 77,082/x
  3. Step 3: Cross multiply
    140,741.52x = 194,224.95 × 77,082
  4. Step 4: Simplify right side
    140,741.52x = 14,971,247,595.90
  5. Step 5: Solve for x
    x = 14,971,247,595.90/140,741.52
  6. Step 6: Final answer
    x = 106,374.06

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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.