Home / 89,612.28-134,501.45-45,270.18

Finding the Fourth Proportional to 89,612.28, 134,501.45 and 45,270.18

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Solution

The fourth proportional to 89,612.28, 134,501.45 and 45,270.18 is: 67,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.28 : 134,501.45 = 45,270.18 : x
  2. Step 2: Convert to fraction form
    89,612.28/134,501.45 = 45,270.18/x
  3. Step 3: Cross multiply
    89,612.28x = 134,501.45 × 45,270.18
  4. Step 4: Simplify right side
    89,612.28x = 6,088,904,625.41
  5. Step 5: Solve for x
    x = 6,088,904,625.41/89,612.28
  6. Step 6: Final answer
    x = 67,947.21

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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.