Home / 147,432.27-203,450.09-90,167.70

Finding the Fourth Proportional to 147,432.27, 203,450.09 and 90,167.70

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Solution

The fourth proportional to 147,432.27, 203,450.09 and 90,167.70 is: 124,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.27 : 203,450.09 = 90,167.70 : x
  2. Step 2: Convert to fraction form
    147,432.27/203,450.09 = 90,167.70/x
  3. Step 3: Cross multiply
    147,432.27x = 203,450.09 × 90,167.70
  4. Step 4: Simplify right side
    147,432.27x = 18,344,626,680.09
  5. Step 5: Solve for x
    x = 18,344,626,680.09/147,432.27
  6. Step 6: Final answer
    x = 124,427.49

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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.