Home / 101,338.70-151,265.94-89,368.22

Finding the Fourth Proportional to 101,338.70, 151,265.94 and 89,368.22

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Solution

The fourth proportional to 101,338.70, 151,265.94 and 89,368.22 is: 133,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,338.70 : 151,265.94 = 89,368.22 : x
  2. Step 2: Convert to fraction form
    101,338.70/151,265.94 = 89,368.22/x
  3. Step 3: Cross multiply
    101,338.70x = 151,265.94 × 89,368.22
  4. Step 4: Simplify right side
    101,338.70x = 13,518,367,048.10
  5. Step 5: Solve for x
    x = 13,518,367,048.10/101,338.70
  6. Step 6: Final answer
    x = 133,397.88

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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.