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Finding the Fourth Proportional to 178,653.70, 267,630.23 and 103,616.21

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Solution

The fourth proportional to 178,653.70, 267,630.23 and 103,616.21 is: 155,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653.70 : 267,630.23 = 103,616.21 : x
  2. Step 2: Convert to fraction form
    178,653.70/267,630.23 = 103,616.21/x
  3. Step 3: Cross multiply
    178,653.70x = 267,630.23 × 103,616.21
  4. Step 4: Simplify right side
    178,653.70x = 27,730,830,459.30
  5. Step 5: Solve for x
    x = 27,730,830,459.30/178,653.70
  6. Step 6: Final answer
    x = 155,221.14

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1.5x scale

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.