Home / 155,932.66-215,137.96-95,440.24

Finding the Fourth Proportional to 155,932.66, 215,137.96 and 95,440.24

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Solution

The fourth proportional to 155,932.66, 215,137.96 and 95,440.24 is: 131,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932.66 : 215,137.96 = 95,440.24 : x
  2. Step 2: Convert to fraction form
    155,932.66/215,137.96 = 95,440.24/x
  3. Step 3: Cross multiply
    155,932.66x = 215,137.96 × 95,440.24
  4. Step 4: Simplify right side
    155,932.66x = 20,532,818,535.51
  5. Step 5: Solve for x
    x = 20,532,818,535.51/155,932.66
  6. Step 6: Final answer
    x = 131,677.47

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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.