Home / 209,238.48-288,754.92-113,751.72

Finding the Fourth Proportional to 209,238.48, 288,754.92 and 113,751.72

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Solution

The fourth proportional to 209,238.48, 288,754.92 and 113,751.72 is: 156,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,238.48 : 288,754.92 = 113,751.72 : x
  2. Step 2: Convert to fraction form
    209,238.48/288,754.92 = 113,751.72/x
  3. Step 3: Cross multiply
    209,238.48x = 288,754.92 × 113,751.72
  4. Step 4: Simplify right side
    209,238.48x = 32,846,368,808.46
  5. Step 5: Solve for x
    x = 32,846,368,808.46/209,238.48
  6. Step 6: Final answer
    x = 156,980.54

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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.