Home / 155,275.04-214,280.40-88,209.44

Finding the Fourth Proportional to 155,275.04, 214,280.40 and 88,209.44

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Solution

The fourth proportional to 155,275.04, 214,280.40 and 88,209.44 is: 121,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,275.04 : 214,280.40 = 88,209.44 : x
  2. Step 2: Convert to fraction form
    155,275.04/214,280.40 = 88,209.44/x
  3. Step 3: Cross multiply
    155,275.04x = 214,280.40 × 88,209.44
  4. Step 4: Simplify right side
    155,275.04x = 18,901,554,086.98
  5. Step 5: Solve for x
    x = 18,901,554,086.98/155,275.04
  6. Step 6: Final answer
    x = 121,729.51

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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.