Home / 155,534.07-214,641.87-88,470.39

Finding the Fourth Proportional to 155,534.07, 214,641.87 and 88,470.39

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Solution

The fourth proportional to 155,534.07, 214,641.87 and 88,470.39 is: 122,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,534.07 : 214,641.87 = 88,470.39 : x
  2. Step 2: Convert to fraction form
    155,534.07/214,641.87 = 88,470.39/x
  3. Step 3: Cross multiply
    155,534.07x = 214,641.87 × 88,470.39
  4. Step 4: Simplify right side
    155,534.07x = 18,989,449,949.23
  5. Step 5: Solve for x
    x = 18,989,449,949.23/155,534.07
  6. Step 6: Final answer
    x = 122,091.90

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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.