Home / 155,969.12-215,258.64-95,543.12

Finding the Fourth Proportional to 155,969.12, 215,258.64 and 95,543.12

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Solution

The fourth proportional to 155,969.12, 215,258.64 and 95,543.12 is: 131,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,969.12 : 215,258.64 = 95,543.12 : x
  2. Step 2: Convert to fraction form
    155,969.12/215,258.64 = 95,543.12/x
  3. Step 3: Cross multiply
    155,969.12x = 215,258.64 × 95,543.12
  4. Step 4: Simplify right side
    155,969.12x = 20,566,482,072.56
  5. Step 5: Solve for x
    x = 20,566,482,072.56/155,969.12
  6. Step 6: Final answer
    x = 131,862.53

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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.