Home / 220,094.08-303,731.07-129,453.85

Finding the Fourth Proportional to 220,094.08, 303,731.07 and 129,453.85

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Solution

The fourth proportional to 220,094.08, 303,731.07 and 129,453.85 is: 178,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,094.08 : 303,731.07 = 129,453.85 : x
  2. Step 2: Convert to fraction form
    220,094.08/303,731.07 = 129,453.85/x
  3. Step 3: Cross multiply
    220,094.08x = 303,731.07 × 129,453.85
  4. Step 4: Simplify right side
    220,094.08x = 39,319,156,376.12
  5. Step 5: Solve for x
    x = 39,319,156,376.12/220,094.08
  6. Step 6: Final answer
    x = 178,647.04

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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.