Home / 124,909.61-187,366.85-45,983.21

Finding the Fourth Proportional to 124,909.61, 187,366.85 and 45,983.21

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Solution

The fourth proportional to 124,909.61, 187,366.85 and 45,983.21 is: 68,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,909.61 : 187,366.85 = 45,983.21 : x
  2. Step 2: Convert to fraction form
    124,909.61/187,366.85 = 45,983.21/x
  3. Step 3: Cross multiply
    124,909.61x = 187,366.85 × 45,983.21
  4. Step 4: Simplify right side
    124,909.61x = 8,615,728,980.67
  5. Step 5: Solve for x
    x = 8,615,728,980.67/124,909.61
  6. Step 6: Final answer
    x = 68,975.71

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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.