Home / 144,901.20-217,092.60-89,432.40

Finding the Fourth Proportional to 144,901.20, 217,092.60 and 89,432.40

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Solution

The fourth proportional to 144,901.20, 217,092.60 and 89,432.40 is: 133,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,901.20 : 217,092.60 = 89,432.40 : x
  2. Step 2: Convert to fraction form
    144,901.20/217,092.60 = 89,432.40/x
  3. Step 3: Cross multiply
    144,901.20x = 217,092.60 × 89,432.40
  4. Step 4: Simplify right side
    144,901.20x = 19,415,112,240.24
  5. Step 5: Solve for x
    x = 19,415,112,240.24/144,901.20
  6. Step 6: Final answer
    x = 133,988.62

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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.