Home / 158,263.20-218,732.40-126,770.40

Finding the Fourth Proportional to 158,263.20, 218,732.40 and 126,770.40

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Solution

The fourth proportional to 158,263.20, 218,732.40 and 126,770.40 is: 175,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,263.20 : 218,732.40 = 126,770.40 : x
  2. Step 2: Convert to fraction form
    158,263.20/218,732.40 = 126,770.40/x
  3. Step 3: Cross multiply
    158,263.20x = 218,732.40 × 126,770.40
  4. Step 4: Simplify right side
    158,263.20x = 27,728,793,840.96
  5. Step 5: Solve for x
    x = 27,728,793,840.96/158,263.20
  6. Step 6: Final answer
    x = 175,206.83

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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.