Home / 160,119.59-240,170.72-81,231.76

Finding the Fourth Proportional to 160,119.59, 240,170.72 and 81,231.76

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Solution

The fourth proportional to 160,119.59, 240,170.72 and 81,231.76 is: 121,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,119.59 : 240,170.72 = 81,231.76 : x
  2. Step 2: Convert to fraction form
    160,119.59/240,170.72 = 81,231.76/x
  3. Step 3: Cross multiply
    160,119.59x = 240,170.72 × 81,231.76
  4. Step 4: Simplify right side
    160,119.59x = 19,509,490,637.05
  5. Step 5: Solve for x
    x = 19,509,490,637.05/160,119.59
  6. Step 6: Final answer
    x = 121,843.25

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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.