Home / 130,966.16-180,590.25-88,450.88

Finding the Fourth Proportional to 130,966.16, 180,590.25 and 88,450.88

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Solution

The fourth proportional to 130,966.16, 180,590.25 and 88,450.88 is: 121,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,966.16 : 180,590.25 = 88,450.88 : x
  2. Step 2: Convert to fraction form
    130,966.16/180,590.25 = 88,450.88/x
  3. Step 3: Cross multiply
    130,966.16x = 180,590.25 × 88,450.88
  4. Step 4: Simplify right side
    130,966.16x = 15,973,365,628.97
  5. Step 5: Solve for x
    x = 15,973,365,628.97/130,966.16
  6. Step 6: Final answer
    x = 121,965.60

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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.