Home / 112,604.16-155,385.60-62,304

Finding the Fourth Proportional to 112,604.16, 155,385.60 and 62,304

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Solution

The fourth proportional to 112,604.16, 155,385.60 and 62,304 is: 85,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,604.16 : 155,385.60 = 62,304 : x
  2. Step 2: Convert to fraction form
    112,604.16/155,385.60 = 62,304/x
  3. Step 3: Cross multiply
    112,604.16x = 155,385.60 × 62,304
  4. Step 4: Simplify right side
    112,604.16x = 9,681,144,422.40
  5. Step 5: Solve for x
    x = 9,681,144,422.40/112,604.16
  6. Step 6: Final answer
    x = 85,975.02

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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.