Home / 215,670.21-297,597.29-125,013.66

Finding the Fourth Proportional to 215,670.21, 297,597.29 and 125,013.66

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Solution

The fourth proportional to 215,670.21, 297,597.29 and 125,013.66 is: 172,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,670.21 : 297,597.29 = 125,013.66 : x
  2. Step 2: Convert to fraction form
    215,670.21/297,597.29 = 125,013.66/x
  3. Step 3: Cross multiply
    215,670.21x = 297,597.29 × 125,013.66
  4. Step 4: Simplify right side
    215,670.21x = 37,203,725,803.91
  5. Step 5: Solve for x
    x = 37,203,725,803.91/215,670.21
  6. Step 6: Final answer
    x = 172,502.85

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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.