Home / 162,397.32-243,255.78-103,202.52

Finding the Fourth Proportional to 162,397.32, 243,255.78 and 103,202.52

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Solution

The fourth proportional to 162,397.32, 243,255.78 and 103,202.52 is: 154,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,397.32 : 243,255.78 = 103,202.52 : x
  2. Step 2: Convert to fraction form
    162,397.32/243,255.78 = 103,202.52/x
  3. Step 3: Cross multiply
    162,397.32x = 243,255.78 × 103,202.52
  4. Step 4: Simplify right side
    162,397.32x = 25,104,609,500.57
  5. Step 5: Solve for x
    x = 25,104,609,500.57/162,397.32
  6. Step 6: Final answer
    x = 154,587.58

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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.