Home / 162,528.85-243,793.28-103,625.65

Finding the Fourth Proportional to 162,528.85, 243,793.28 and 103,625.65

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Solution

The fourth proportional to 162,528.85, 243,793.28 and 103,625.65 is: 155,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,528.85 : 243,793.28 = 103,625.65 : x
  2. Step 2: Convert to fraction form
    162,528.85/243,793.28 = 103,625.65/x
  3. Step 3: Cross multiply
    162,528.85x = 243,793.28 × 103,625.65
  4. Step 4: Simplify right side
    162,528.85x = 25,263,236,587.50
  5. Step 5: Solve for x
    x = 25,263,236,587.50/162,528.85
  6. Step 6: Final answer
    x = 155,438.48

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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.