Home / 115,742.60-173,630.10-49,182.20

Finding the Fourth Proportional to 115,742.60, 173,630.10 and 49,182.20

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Solution

The fourth proportional to 115,742.60, 173,630.10 and 49,182.20 is: 73,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742.60 : 173,630.10 = 49,182.20 : x
  2. Step 2: Convert to fraction form
    115,742.60/173,630.10 = 49,182.20/x
  3. Step 3: Cross multiply
    115,742.60x = 173,630.10 × 49,182.20
  4. Step 4: Simplify right side
    115,742.60x = 8,539,510,304.22
  5. Step 5: Solve for x
    x = 8,539,510,304.22/115,742.60
  6. Step 6: Final answer
    x = 73,780.18

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