Home / 239,960.10-359,983.89-120,079.74

Finding the Fourth Proportional to 239,960.10, 359,983.89 and 120,079.74

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Solution

The fourth proportional to 239,960.10, 359,983.89 and 120,079.74 is: 180,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,960.10 : 359,983.89 = 120,079.74 : x
  2. Step 2: Convert to fraction form
    239,960.10/359,983.89 = 120,079.74/x
  3. Step 3: Cross multiply
    239,960.10x = 359,983.89 × 120,079.74
  4. Step 4: Simplify right side
    239,960.10x = 43,226,769,515.07
  5. Step 5: Solve for x
    x = 43,226,769,515.07/239,960.10
  6. Step 6: Final answer
    x = 180,141.49

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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.