Home / 231,125.04-319,050.76-140,509.94

Finding the Fourth Proportional to 231,125.04, 319,050.76 and 140,509.94

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Solution

The fourth proportional to 231,125.04, 319,050.76 and 140,509.94 is: 193,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,125.04 : 319,050.76 = 140,509.94 : x
  2. Step 2: Convert to fraction form
    231,125.04/319,050.76 = 140,509.94/x
  3. Step 3: Cross multiply
    231,125.04x = 319,050.76 × 140,509.94
  4. Step 4: Simplify right side
    231,125.04x = 44,829,803,144.55
  5. Step 5: Solve for x
    x = 44,829,803,144.55/231,125.04
  6. Step 6: Final answer
    x = 193,963.42

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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.