Home / 218,292.12-301,240.38-122,799.48

Finding the Fourth Proportional to 218,292.12, 301,240.38 and 122,799.48

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Solution

The fourth proportional to 218,292.12, 301,240.38 and 122,799.48 is: 169,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,292.12 : 301,240.38 = 122,799.48 : x
  2. Step 2: Convert to fraction form
    218,292.12/301,240.38 = 122,799.48/x
  3. Step 3: Cross multiply
    218,292.12x = 301,240.38 × 122,799.48
  4. Step 4: Simplify right side
    218,292.12x = 36,992,162,019.00
  5. Step 5: Solve for x
    x = 36,992,162,019.00/218,292.12
  6. Step 6: Final answer
    x = 169,461.74

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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.