Home / 215,799.36-297,818.88-125,186.28

Finding the Fourth Proportional to 215,799.36, 297,818.88 and 125,186.28

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Solution

The fourth proportional to 215,799.36, 297,818.88 and 125,186.28 is: 172,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,799.36 : 297,818.88 = 125,186.28 : x
  2. Step 2: Convert to fraction form
    215,799.36/297,818.88 = 125,186.28/x
  3. Step 3: Cross multiply
    215,799.36x = 297,818.88 × 125,186.28
  4. Step 4: Simplify right side
    215,799.36x = 37,282,837,700.97
  5. Step 5: Solve for x
    x = 37,282,837,700.97/215,799.36
  6. Step 6: Final answer
    x = 172,766.21

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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.