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Finding the Fourth Proportional to 130,999.62, 180,848.28 and 88,204.14

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Solution

The fourth proportional to 130,999.62, 180,848.28 and 88,204.14 is: 121,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.62 : 180,848.28 = 88,204.14 : x
  2. Step 2: Convert to fraction form
    130,999.62/180,848.28 = 88,204.14/x
  3. Step 3: Cross multiply
    130,999.62x = 180,848.28 × 88,204.14
  4. Step 4: Simplify right side
    130,999.62x = 15,951,567,007.88
  5. Step 5: Solve for x
    x = 15,951,567,007.88/130,999.62
  6. Step 6: Final answer
    x = 121,768.04

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1.5x scale

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.