Home / 178,492.18-267,652.08-103,631.20

Finding the Fourth Proportional to 178,492.18, 267,652.08 and 103,631.20

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Solution

The fourth proportional to 178,492.18, 267,652.08 and 103,631.20 is: 155,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,492.18 : 267,652.08 = 103,631.20 : x
  2. Step 2: Convert to fraction form
    178,492.18/267,652.08 = 103,631.20/x
  3. Step 3: Cross multiply
    178,492.18x = 267,652.08 × 103,631.20
  4. Step 4: Simplify right side
    178,492.18x = 27,737,106,232.90
  5. Step 5: Solve for x
    x = 27,737,106,232.90/178,492.18
  6. Step 6: Final answer
    x = 155,396.76

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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.