Home / 147,740.24-203,882.28-80,672.24

Finding the Fourth Proportional to 147,740.24, 203,882.28 and 80,672.24

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Solution

The fourth proportional to 147,740.24, 203,882.28 and 80,672.24 is: 111,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,740.24 : 203,882.28 = 80,672.24 : x
  2. Step 2: Convert to fraction form
    147,740.24/203,882.28 = 80,672.24/x
  3. Step 3: Cross multiply
    147,740.24x = 203,882.28 × 80,672.24
  4. Step 4: Simplify right side
    147,740.24x = 16,447,640,223.91
  5. Step 5: Solve for x
    x = 16,447,640,223.91/147,740.24
  6. Step 6: Final answer
    x = 111,328.10

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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.