Home / 94,078.46-141,045.24-81,581.30

Finding the Fourth Proportional to 94,078.46, 141,045.24 and 81,581.30

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Solution

The fourth proportional to 94,078.46, 141,045.24 and 81,581.30 is: 122,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.46 : 141,045.24 = 81,581.30 : x
  2. Step 2: Convert to fraction form
    94,078.46/141,045.24 = 81,581.30/x
  3. Step 3: Cross multiply
    94,078.46x = 141,045.24 × 81,581.30
  4. Step 4: Simplify right side
    94,078.46x = 11,506,654,038.01
  5. Step 5: Solve for x
    x = 11,506,654,038.01/94,078.46
  6. Step 6: Final answer
    x = 122,309.12

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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.