Home / 209,079.98-288,530.16-113,586.04

Finding the Fourth Proportional to 209,079.98, 288,530.16 and 113,586.04

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Solution

The fourth proportional to 209,079.98, 288,530.16 and 113,586.04 is: 156,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,079.98 : 288,530.16 = 113,586.04 : x
  2. Step 2: Convert to fraction form
    209,079.98/288,530.16 = 113,586.04/x
  3. Step 3: Cross multiply
    209,079.98x = 288,530.16 × 113,586.04
  4. Step 4: Simplify right side
    209,079.98x = 32,772,998,294.97
  5. Step 5: Solve for x
    x = 32,772,998,294.97/209,079.98
  6. Step 6: Final answer
    x = 156,748.62

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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.