Home / 215,622.40-297,536.10-125,006.80

Finding the Fourth Proportional to 215,622.40, 297,536.10 and 125,006.80

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Solution

The fourth proportional to 215,622.40, 297,536.10 and 125,006.80 is: 172,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,622.40 : 297,536.10 = 125,006.80 : x
  2. Step 2: Convert to fraction form
    215,622.40/297,536.10 = 125,006.80/x
  3. Step 3: Cross multiply
    215,622.40x = 297,536.10 × 125,006.80
  4. Step 4: Simplify right side
    215,622.40x = 37,194,035,745.48
  5. Step 5: Solve for x
    x = 37,194,035,745.48/215,622.40
  6. Step 6: Final answer
    x = 172,496.16

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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.