Home / 134,999.60-202,499.40-129,815.60

Finding the Fourth Proportional to 134,999.60, 202,499.40 and 129,815.60

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Solution

The fourth proportional to 134,999.60, 202,499.40 and 129,815.60 is: 194,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.60 : 202,499.40 = 129,815.60 : x
  2. Step 2: Convert to fraction form
    134,999.60/202,499.40 = 129,815.60/x
  3. Step 3: Cross multiply
    134,999.60x = 202,499.40 × 129,815.60
  4. Step 4: Simplify right side
    134,999.60x = 26,287,581,110.64
  5. Step 5: Solve for x
    x = 26,287,581,110.64/134,999.60
  6. Step 6: Final answer
    x = 194,723.40

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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.