Home / 215,820.13-297,833.08-125,230.04

Finding the Fourth Proportional to 215,820.13, 297,833.08 and 125,230.04

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Solution

The fourth proportional to 215,820.13, 297,833.08 and 125,230.04 is: 172,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,820.13 : 297,833.08 = 125,230.04 : x
  2. Step 2: Convert to fraction form
    215,820.13/297,833.08 = 125,230.04/x
  3. Step 3: Cross multiply
    215,820.13x = 297,833.08 × 125,230.04
  4. Step 4: Simplify right side
    215,820.13x = 37,297,648,521.72
  5. Step 5: Solve for x
    x = 37,297,648,521.72/215,820.13
  6. Step 6: Final answer
    x = 172,818.21

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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.