Home / 103,512.83-142,829.90-58,184.52

Finding the Fourth Proportional to 103,512.83, 142,829.90 and 58,184.52

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Solution

The fourth proportional to 103,512.83, 142,829.90 and 58,184.52 is: 80,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512.83 : 142,829.90 = 58,184.52 : x
  2. Step 2: Convert to fraction form
    103,512.83/142,829.90 = 58,184.52/x
  3. Step 3: Cross multiply
    103,512.83x = 142,829.90 × 58,184.52
  4. Step 4: Simplify right side
    103,512.83x = 8,310,489,318.61
  5. Step 5: Solve for x
    x = 8,310,489,318.61/103,512.83
  6. Step 6: Final answer
    x = 80,284.63

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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.