Home / 231,238.24-319,160.25-140,575

Finding the Fourth Proportional to 231,238.24, 319,160.25 and 140,575

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Solution

The fourth proportional to 231,238.24, 319,160.25 and 140,575 is: 194,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,238.24 : 319,160.25 = 140,575 : x
  2. Step 2: Convert to fraction form
    231,238.24/319,160.25 = 140,575/x
  3. Step 3: Cross multiply
    231,238.24x = 319,160.25 × 140,575
  4. Step 4: Simplify right side
    231,238.24x = 44,865,952,143.75
  5. Step 5: Solve for x
    x = 44,865,952,143.75/231,238.24
  6. Step 6: Final answer
    x = 194,024.80

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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.