Home / 209,146.59-288,664.20-124,247.25

Finding the Fourth Proportional to 209,146.59, 288,664.20 and 124,247.25

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Solution

The fourth proportional to 209,146.59, 288,664.20 and 124,247.25 is: 171,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,146.59 : 288,664.20 = 124,247.25 : x
  2. Step 2: Convert to fraction form
    209,146.59/288,664.20 = 124,247.25/x
  3. Step 3: Cross multiply
    209,146.59x = 288,664.20 × 124,247.25
  4. Step 4: Simplify right side
    209,146.59x = 35,865,733,023.45
  5. Step 5: Solve for x
    x = 35,865,733,023.45/209,146.59
  6. Step 6: Final answer
    x = 171,486.10

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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.