Home / 133,330.60-199,995.90-122,444.20

Finding the Fourth Proportional to 133,330.60, 199,995.90 and 122,444.20

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Solution

The fourth proportional to 133,330.60, 199,995.90 and 122,444.20 is: 183,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.60 : 199,995.90 = 122,444.20 : x
  2. Step 2: Convert to fraction form
    133,330.60/199,995.90 = 122,444.20/x
  3. Step 3: Cross multiply
    133,330.60x = 199,995.90 × 122,444.20
  4. Step 4: Simplify right side
    133,330.60x = 24,488,337,978.78
  5. Step 5: Solve for x
    x = 24,488,337,978.78/133,330.60
  6. Step 6: Final answer
    x = 183,666.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.