Home / 111,702.30-154,150-60,715.02

Finding the Fourth Proportional to 111,702.30, 154,150 and 60,715.02

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Solution

The fourth proportional to 111,702.30, 154,150 and 60,715.02 is: 83,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702.30 : 154,150 = 60,715.02 : x
  2. Step 2: Convert to fraction form
    111,702.30/154,150 = 60,715.02/x
  3. Step 3: Cross multiply
    111,702.30x = 154,150 × 60,715.02
  4. Step 4: Simplify right side
    111,702.30x = 9,359,220,333
  5. Step 5: Solve for x
    x = 9,359,220,333/111,702.30
  6. Step 6: Final answer
    x = 83,787.18

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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.