Home / 103,523.19-142,867.07-58,215.44

Finding the Fourth Proportional to 103,523.19, 142,867.07 and 58,215.44

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Solution

The fourth proportional to 103,523.19, 142,867.07 and 58,215.44 is: 80,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.19 : 142,867.07 = 58,215.44 : x
  2. Step 2: Convert to fraction form
    103,523.19/142,867.07 = 58,215.44/x
  3. Step 3: Cross multiply
    103,523.19x = 142,867.07 × 58,215.44
  4. Step 4: Simplify right side
    103,523.19x = 8,317,068,336.15
  5. Step 5: Solve for x
    x = 8,317,068,336.15/103,523.19
  6. Step 6: Final answer
    x = 80,340.15

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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.