Home / 94,689.81-141,936.30-38,505.78

Finding the Fourth Proportional to 94,689.81, 141,936.30 and 38,505.78

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Solution

The fourth proportional to 94,689.81, 141,936.30 and 38,505.78 is: 57,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.81 : 141,936.30 = 38,505.78 : x
  2. Step 2: Convert to fraction form
    94,689.81/141,936.30 = 38,505.78/x
  3. Step 3: Cross multiply
    94,689.81x = 141,936.30 × 38,505.78
  4. Step 4: Simplify right side
    94,689.81x = 5,465,367,941.81
  5. Step 5: Solve for x
    x = 5,465,367,941.81/94,689.81
  6. Step 6: Final answer
    x = 57,718.65

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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.