Home / 209,380.60-288,906.06-124,518.52

Finding the Fourth Proportional to 209,380.60, 288,906.06 and 124,518.52

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Solution

The fourth proportional to 209,380.60, 288,906.06 and 124,518.52 is: 171,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,380.60 : 288,906.06 = 124,518.52 : x
  2. Step 2: Convert to fraction form
    209,380.60/288,906.06 = 124,518.52/x
  3. Step 3: Cross multiply
    209,380.60x = 288,906.06 × 124,518.52
  4. Step 4: Simplify right side
    209,380.60x = 35,974,155,010.23
  5. Step 5: Solve for x
    x = 35,974,155,010.23/209,380.60
  6. Step 6: Final answer
    x = 171,812.26

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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.