Home / 218,449.19-301,387.60-127,740.89

Finding the Fourth Proportional to 218,449.19, 301,387.60 and 127,740.89

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Solution

The fourth proportional to 218,449.19, 301,387.60 and 127,740.89 is: 176,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,449.19 : 301,387.60 = 127,740.89 : x
  2. Step 2: Convert to fraction form
    218,449.19/301,387.60 = 127,740.89/x
  3. Step 3: Cross multiply
    218,449.19x = 301,387.60 × 127,740.89
  4. Step 4: Simplify right side
    218,449.19x = 38,499,520,258.96
  5. Step 5: Solve for x
    x = 38,499,520,258.96/218,449.19
  6. Step 6: Final answer
    x = 176,240.16

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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.