Home / 157,436.60-236,001.30-140,847.80

Finding the Fourth Proportional to 157,436.60, 236,001.30 and 140,847.80

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Solution

The fourth proportional to 157,436.60, 236,001.30 and 140,847.80 is: 211,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.60 : 236,001.30 = 140,847.80 : x
  2. Step 2: Convert to fraction form
    157,436.60/236,001.30 = 140,847.80/x
  3. Step 3: Cross multiply
    157,436.60x = 236,001.30 × 140,847.80
  4. Step 4: Simplify right side
    157,436.60x = 33,240,263,902.14
  5. Step 5: Solve for x
    x = 33,240,263,902.14/157,436.60
  6. Step 6: Final answer
    x = 211,134.28

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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.