Home / 118,266.95-177,428.67-39,381.86

Finding the Fourth Proportional to 118,266.95, 177,428.67 and 39,381.86

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Solution

The fourth proportional to 118,266.95, 177,428.67 and 39,381.86 is: 59,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.95 : 177,428.67 = 39,381.86 : x
  2. Step 2: Convert to fraction form
    118,266.95/177,428.67 = 39,381.86/x
  3. Step 3: Cross multiply
    118,266.95x = 177,428.67 × 39,381.86
  4. Step 4: Simplify right side
    118,266.95x = 6,987,471,337.82
  5. Step 5: Solve for x
    x = 6,987,471,337.82/118,266.95
  6. Step 6: Final answer
    x = 59,082.20

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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.