Home / 215,908.22-297,967.93-125,264.21

Finding the Fourth Proportional to 215,908.22, 297,967.93 and 125,264.21

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Solution

The fourth proportional to 215,908.22, 297,967.93 and 125,264.21 is: 172,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,908.22 : 297,967.93 = 125,264.21 : x
  2. Step 2: Convert to fraction form
    215,908.22/297,967.93 = 125,264.21/x
  3. Step 3: Cross multiply
    215,908.22x = 297,967.93 × 125,264.21
  4. Step 4: Simplify right side
    215,908.22x = 37,324,717,356.79
  5. Step 5: Solve for x
    x = 37,324,717,356.79/215,908.22
  6. Step 6: Final answer
    x = 172,873.07

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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.