Home / 113,839.60-170,779.20-47,243.20

Finding the Fourth Proportional to 113,839.60, 170,779.20 and 47,243.20

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Solution

The fourth proportional to 113,839.60, 170,779.20 and 47,243.20 is: 70,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.60 : 170,779.20 = 47,243.20 : x
  2. Step 2: Convert to fraction form
    113,839.60/170,779.20 = 47,243.20/x
  3. Step 3: Cross multiply
    113,839.60x = 170,779.20 × 47,243.20
  4. Step 4: Simplify right side
    113,839.60x = 8,068,155,901.44
  5. Step 5: Solve for x
    x = 8,068,155,901.44/113,839.60
  6. Step 6: Final answer
    x = 70,873.02

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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.