Home / 209,029.06-288,461.61-113,535.76

Finding the Fourth Proportional to 209,029.06, 288,461.61 and 113,535.76

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Solution

The fourth proportional to 209,029.06, 288,461.61 and 113,535.76 is: 156,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,029.06 : 288,461.61 = 113,535.76 : x
  2. Step 2: Convert to fraction form
    209,029.06/288,461.61 = 113,535.76/x
  3. Step 3: Cross multiply
    209,029.06x = 288,461.61 × 113,535.76
  4. Step 4: Simplify right side
    209,029.06x = 32,750,708,122.17
  5. Step 5: Solve for x
    x = 32,750,708,122.17/209,029.06
  6. Step 6: Final answer
    x = 156,680.17

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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.