Home / 209,221.65-288,722.48-113,730.75

Finding the Fourth Proportional to 209,221.65, 288,722.48 and 113,730.75

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Solution

The fourth proportional to 209,221.65, 288,722.48 and 113,730.75 is: 156,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,221.65 : 288,722.48 = 113,730.75 : x
  2. Step 2: Convert to fraction form
    209,221.65/288,722.48 = 113,730.75/x
  3. Step 3: Cross multiply
    209,221.65x = 288,722.48 × 113,730.75
  4. Step 4: Simplify right side
    209,221.65x = 32,836,623,623.61
  5. Step 5: Solve for x
    x = 32,836,623,623.61/209,221.65
  6. Step 6: Final answer
    x = 156,946.59

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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.