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Finding the Fourth Proportional to 145,444.80, 200,626.80 and 88,757.76

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Solution

The fourth proportional to 145,444.80, 200,626.80 and 88,757.76 is: 122,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,444.80 : 200,626.80 = 88,757.76 : x
  2. Step 2: Convert to fraction form
    145,444.80/200,626.80 = 88,757.76/x
  3. Step 3: Cross multiply
    145,444.80x = 200,626.80 × 88,757.76
  4. Step 4: Simplify right side
    145,444.80x = 17,807,185,363.97
  5. Step 5: Solve for x
    x = 17,807,185,363.97/145,444.80
  6. Step 6: Final answer
    x = 122,432.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.