Home / 209,001.44-288,421.92-113,508.16

Finding the Fourth Proportional to 209,001.44, 288,421.92 and 113,508.16

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Solution

The fourth proportional to 209,001.44, 288,421.92 and 113,508.16 is: 156,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,001.44 : 288,421.92 = 113,508.16 : x
  2. Step 2: Convert to fraction form
    209,001.44/288,421.92 = 113,508.16/x
  3. Step 3: Cross multiply
    209,001.44x = 288,421.92 × 113,508.16
  4. Step 4: Simplify right side
    209,001.44x = 32,738,241,442.87
  5. Step 5: Solve for x
    x = 32,738,241,442.87/209,001.44
  6. Step 6: Final answer
    x = 156,641.22

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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.