Home / 209,348.24-288,897.78-113,852.88

Finding the Fourth Proportional to 209,348.24, 288,897.78 and 113,852.88

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Solution

The fourth proportional to 209,348.24, 288,897.78 and 113,852.88 is: 157,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,348.24 : 288,897.78 = 113,852.88 : x
  2. Step 2: Convert to fraction form
    209,348.24/288,897.78 = 113,852.88/x
  3. Step 3: Cross multiply
    209,348.24x = 288,897.78 × 113,852.88
  4. Step 4: Simplify right side
    209,348.24x = 32,891,844,278.61
  5. Step 5: Solve for x
    x = 32,891,844,278.61/209,348.24
  6. Step 6: Final answer
    x = 157,115.46

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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.