Home / 105,449.18-145,523.70-60,126.66

Finding the Fourth Proportional to 105,449.18, 145,523.70 and 60,126.66

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Solution

The fourth proportional to 105,449.18, 145,523.70 and 60,126.66 is: 82,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,449.18 : 145,523.70 = 60,126.66 : x
  2. Step 2: Convert to fraction form
    105,449.18/145,523.70 = 60,126.66/x
  3. Step 3: Cross multiply
    105,449.18x = 145,523.70 × 60,126.66
  4. Step 4: Simplify right side
    105,449.18x = 8,749,854,031.84
  5. Step 5: Solve for x
    x = 8,749,854,031.84/105,449.18
  6. Step 6: Final answer
    x = 82,976.98

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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.