Home / 67,148.86-100,474.82-40,510.29

Finding the Fourth Proportional to 67,148.86, 100,474.82 and 40,510.29

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Solution

The fourth proportional to 67,148.86, 100,474.82 and 40,510.29 is: 60,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,148.86 : 100,474.82 = 40,510.29 : x
  2. Step 2: Convert to fraction form
    67,148.86/100,474.82 = 40,510.29/x
  3. Step 3: Cross multiply
    67,148.86x = 100,474.82 × 40,510.29
  4. Step 4: Simplify right side
    67,148.86x = 4,070,264,197.17
  5. Step 5: Solve for x
    x = 4,070,264,197.17/67,148.86
  6. Step 6: Final answer
    x = 60,615.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.