Home / 115,197.04-158,969.46-64,209.70

Finding the Fourth Proportional to 115,197.04, 158,969.46 and 64,209.70

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Solution

The fourth proportional to 115,197.04, 158,969.46 and 64,209.70 is: 88,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,197.04 : 158,969.46 = 64,209.70 : x
  2. Step 2: Convert to fraction form
    115,197.04/158,969.46 = 64,209.70/x
  3. Step 3: Cross multiply
    115,197.04x = 158,969.46 × 64,209.70
  4. Step 4: Simplify right side
    115,197.04x = 10,207,381,335.76
  5. Step 5: Solve for x
    x = 10,207,381,335.76/115,197.04
  6. Step 6: Final answer
    x = 88,608.02

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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.