Home / 208,739.76-288,060.12-113,244.72

Finding the Fourth Proportional to 208,739.76, 288,060.12 and 113,244.72

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Solution

The fourth proportional to 208,739.76, 288,060.12 and 113,244.72 is: 156,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.76 : 288,060.12 = 113,244.72 : x
  2. Step 2: Convert to fraction form
    208,739.76/288,060.12 = 113,244.72/x
  3. Step 3: Cross multiply
    208,739.76x = 288,060.12 × 113,244.72
  4. Step 4: Simplify right side
    208,739.76x = 32,621,287,632.57
  5. Step 5: Solve for x
    x = 32,621,287,632.57/208,739.76
  6. Step 6: Final answer
    x = 156,277.31

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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.