Home / 162,525.10-243,787.65-103,621.90

Finding the Fourth Proportional to 162,525.10, 243,787.65 and 103,621.90

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Solution

The fourth proportional to 162,525.10, 243,787.65 and 103,621.90 is: 155,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,525.10 : 243,787.65 = 103,621.90 : x
  2. Step 2: Convert to fraction form
    162,525.10/243,787.65 = 103,621.90/x
  3. Step 3: Cross multiply
    162,525.10x = 243,787.65 × 103,621.90
  4. Step 4: Simplify right side
    162,525.10x = 25,261,739,489.54
  5. Step 5: Solve for x
    x = 25,261,739,489.54/162,525.10
  6. Step 6: Final answer
    x = 155,432.85

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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.