Home / 215,731.57-297,701.44-125,091.36

Finding the Fourth Proportional to 215,731.57, 297,701.44 and 125,091.36

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Solution

The fourth proportional to 215,731.57, 297,701.44 and 125,091.36 is: 172,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,731.57 : 297,701.44 = 125,091.36 : x
  2. Step 2: Convert to fraction form
    215,731.57/297,701.44 = 125,091.36/x
  3. Step 3: Cross multiply
    215,731.57x = 297,701.44 × 125,091.36
  4. Step 4: Simplify right side
    215,731.57x = 37,239,878,003.56
  5. Step 5: Solve for x
    x = 37,239,878,003.56/215,731.57
  6. Step 6: Final answer
    x = 172,621.36

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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.