Home / 155,143.07-232,596.22-80,215.39

Finding the Fourth Proportional to 155,143.07, 232,596.22 and 80,215.39

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Solution

The fourth proportional to 155,143.07, 232,596.22 and 80,215.39 is: 120,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,143.07 : 232,596.22 = 80,215.39 : x
  2. Step 2: Convert to fraction form
    155,143.07/232,596.22 = 80,215.39/x
  3. Step 3: Cross multiply
    155,143.07x = 232,596.22 × 80,215.39
  4. Step 4: Simplify right side
    155,143.07x = 18,657,796,499.83
  5. Step 5: Solve for x
    x = 18,657,796,499.83/155,143.07
  6. Step 6: Final answer
    x = 120,261.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.