Home / 215,907.22-297,966.55-125,263.21

Finding the Fourth Proportional to 215,907.22, 297,966.55 and 125,263.21

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Solution

The fourth proportional to 215,907.22, 297,966.55 and 125,263.21 is: 172,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,907.22 : 297,966.55 = 125,263.21 : x
  2. Step 2: Convert to fraction form
    215,907.22/297,966.55 = 125,263.21/x
  3. Step 3: Cross multiply
    215,907.22x = 297,966.55 × 125,263.21
  4. Step 4: Simplify right side
    215,907.22x = 37,324,246,261.11
  5. Step 5: Solve for x
    x = 37,324,246,261.11/215,907.22
  6. Step 6: Final answer
    x = 172,871.69

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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.