Home / 130,964.65-180,588.18-88,449.37

Finding the Fourth Proportional to 130,964.65, 180,588.18 and 88,449.37

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Solution

The fourth proportional to 130,964.65, 180,588.18 and 88,449.37 is: 121,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,964.65 : 180,588.18 = 88,449.37 : x
  2. Step 2: Convert to fraction form
    130,964.65/180,588.18 = 88,449.37/x
  3. Step 3: Cross multiply
    130,964.65x = 180,588.18 × 88,449.37
  4. Step 4: Simplify right side
    130,964.65x = 15,972,910,630.66
  5. Step 5: Solve for x
    x = 15,972,910,630.66/130,964.65
  6. Step 6: Final answer
    x = 121,963.53

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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.