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Finding the Fourth Proportional to 113,862.10, 170,793.15 and 101,068.15

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Solution

The fourth proportional to 113,862.10, 170,793.15 and 101,068.15 is: 151,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,862.10 : 170,793.15 = 101,068.15 : x
  2. Step 2: Convert to fraction form
    113,862.10/170,793.15 = 101,068.15/x
  3. Step 3: Cross multiply
    113,862.10x = 170,793.15 × 101,068.15
  4. Step 4: Simplify right side
    113,862.10x = 17,261,747,703.17
  5. Step 5: Solve for x
    x = 17,261,747,703.17/113,862.10
  6. Step 6: Final answer
    x = 151,602.23

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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.