Home / 79,132.16-118,614.06-54,165.20

Finding the Fourth Proportional to 79,132.16, 118,614.06 and 54,165.20

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Solution

The fourth proportional to 79,132.16, 118,614.06 and 54,165.20 is: 81,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.16 : 118,614.06 = 54,165.20 : x
  2. Step 2: Convert to fraction form
    79,132.16/118,614.06 = 54,165.20/x
  3. Step 3: Cross multiply
    79,132.16x = 118,614.06 × 54,165.20
  4. Step 4: Simplify right side
    79,132.16x = 6,424,754,282.71
  5. Step 5: Solve for x
    x = 6,424,754,282.71/79,132.16
  6. Step 6: Final answer
    x = 81,190.18

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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.