Home / 147,522.40-203,599.20-90,149.92

Finding the Fourth Proportional to 147,522.40, 203,599.20 and 90,149.92

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Solution

The fourth proportional to 147,522.40, 203,599.20 and 90,149.92 is: 124,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,522.40 : 203,599.20 = 90,149.92 : x
  2. Step 2: Convert to fraction form
    147,522.40/203,599.20 = 90,149.92/x
  3. Step 3: Cross multiply
    147,522.40x = 203,599.20 × 90,149.92
  4. Step 4: Simplify right side
    147,522.40x = 18,354,451,592.06
  5. Step 5: Solve for x
    x = 18,354,451,592.06/147,522.40
  6. Step 6: Final answer
    x = 124,418.07

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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.