Home / 209,027.01-288,458.10-113,535.30

Finding the Fourth Proportional to 209,027.01, 288,458.10 and 113,535.30

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Solution

The fourth proportional to 209,027.01, 288,458.10 and 113,535.30 is: 156,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,027.01 : 288,458.10 = 113,535.30 : x
  2. Step 2: Convert to fraction form
    209,027.01/288,458.10 = 113,535.30/x
  3. Step 3: Cross multiply
    209,027.01x = 288,458.10 × 113,535.30
  4. Step 4: Simplify right side
    209,027.01x = 32,750,176,920.93
  5. Step 5: Solve for x
    x = 32,750,176,920.93/209,027.01
  6. Step 6: Final answer
    x = 156,679.16

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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.