Home / 162,129.26-223,742.16-101,702.45

Finding the Fourth Proportional to 162,129.26, 223,742.16 and 101,702.45

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Solution

The fourth proportional to 162,129.26, 223,742.16 and 101,702.45 is: 140,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,129.26 : 223,742.16 = 101,702.45 : x
  2. Step 2: Convert to fraction form
    162,129.26/223,742.16 = 101,702.45/x
  3. Step 3: Cross multiply
    162,129.26x = 223,742.16 × 101,702.45
  4. Step 4: Simplify right side
    162,129.26x = 22,755,124,721.58
  5. Step 5: Solve for x
    x = 22,755,124,721.58/162,129.26
  6. Step 6: Final answer
    x = 140,351.75

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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.