Home / 141,038.20-194,637.76-77,377.84

Finding the Fourth Proportional to 141,038.20, 194,637.76 and 77,377.84

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Solution

The fourth proportional to 141,038.20, 194,637.76 and 77,377.84 is: 106,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,038.20 : 194,637.76 = 77,377.84 : x
  2. Step 2: Convert to fraction form
    141,038.20/194,637.76 = 77,377.84/x
  3. Step 3: Cross multiply
    141,038.20x = 194,637.76 × 77,377.84
  4. Step 4: Simplify right side
    141,038.20x = 15,060,649,451.24
  5. Step 5: Solve for x
    x = 15,060,649,451.24/141,038.20
  6. Step 6: Final answer
    x = 106,784.19

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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.