Home / 155,992.32-215,274.24-88,945.92

Finding the Fourth Proportional to 155,992.32, 215,274.24 and 88,945.92

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Solution

The fourth proportional to 155,992.32, 215,274.24 and 88,945.92 is: 122,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,992.32 : 215,274.24 = 88,945.92 : x
  2. Step 2: Convert to fraction form
    155,992.32/215,274.24 = 88,945.92/x
  3. Step 3: Cross multiply
    155,992.32x = 215,274.24 × 88,945.92
  4. Step 4: Simplify right side
    155,992.32x = 19,147,765,329.10
  5. Step 5: Solve for x
    x = 19,147,765,329.10/155,992.32
  6. Step 6: Final answer
    x = 122,748.13

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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.