Home / 112,834.62-155,746.08-65,119.14

Finding the Fourth Proportional to 112,834.62, 155,746.08 and 65,119.14

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Solution

The fourth proportional to 112,834.62, 155,746.08 and 65,119.14 is: 89,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.62 : 155,746.08 = 65,119.14 : x
  2. Step 2: Convert to fraction form
    112,834.62/155,746.08 = 65,119.14/x
  3. Step 3: Cross multiply
    112,834.62x = 155,746.08 × 65,119.14
  4. Step 4: Simplify right side
    112,834.62x = 10,142,050,787.97
  5. Step 5: Solve for x
    x = 10,142,050,787.97/112,834.62
  6. Step 6: Final answer
    x = 89,884.21

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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.