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Finding the Fourth Proportional to 177,970.64, 245,627.10 and 101,489.90

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Solution

The fourth proportional to 177,970.64, 245,627.10 and 101,489.90 is: 140,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,970.64 : 245,627.10 = 101,489.90 : x
  2. Step 2: Convert to fraction form
    177,970.64/245,627.10 = 101,489.90/x
  3. Step 3: Cross multiply
    177,970.64x = 245,627.10 × 101,489.90
  4. Step 4: Simplify right side
    177,970.64x = 24,928,668,588.15
  5. Step 5: Solve for x
    x = 24,928,668,588.15/177,970.64
  6. Step 6: Final answer
    x = 140,071.81

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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.