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Finding the Fourth Proportional to 101,344.70, 151,274.88 and 89,374.22

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Solution

The fourth proportional to 101,344.70, 151,274.88 and 89,374.22 is: 133,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,344.70 : 151,274.88 = 89,374.22 : x
  2. Step 2: Convert to fraction form
    101,344.70/151,274.88 = 89,374.22/x
  3. Step 3: Cross multiply
    101,344.70x = 151,274.88 × 89,374.22
  4. Step 4: Simplify right side
    101,344.70x = 13,520,074,405.59
  5. Step 5: Solve for x
    x = 13,520,074,405.59/101,344.70
  6. Step 6: Final answer
    x = 133,406.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.