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Finding the Fourth Proportional to 133,602.90, 200,404.35 and 124,790.10

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Solution

The fourth proportional to 133,602.90, 200,404.35 and 124,790.10 is: 187,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,602.90 : 200,404.35 = 124,790.10 : x
  2. Step 2: Convert to fraction form
    133,602.90/200,404.35 = 124,790.10/x
  3. Step 3: Cross multiply
    133,602.90x = 200,404.35 × 124,790.10
  4. Step 4: Simplify right side
    133,602.90x = 25,008,478,876.94
  5. Step 5: Solve for x
    x = 25,008,478,876.94/133,602.90
  6. Step 6: Final answer
    x = 187,185.15

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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.