Home / 141,038.08-194,585.22-80,565.91

Finding the Fourth Proportional to 141,038.08, 194,585.22 and 80,565.91

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Solution

The fourth proportional to 141,038.08, 194,585.22 and 80,565.91 is: 111,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,038.08 : 194,585.22 = 80,565.91 : x
  2. Step 2: Convert to fraction form
    141,038.08/194,585.22 = 80,565.91/x
  3. Step 3: Cross multiply
    141,038.08x = 194,585.22 × 80,565.91
  4. Step 4: Simplify right side
    141,038.08x = 15,676,935,262.96
  5. Step 5: Solve for x
    x = 15,676,935,262.96/141,038.08
  6. Step 6: Final answer
    x = 111,153.92

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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.