Home / 239,848.80-359,902.80-99,621.60

Finding the Fourth Proportional to 239,848.80, 359,902.80 and 99,621.60

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Solution

The fourth proportional to 239,848.80, 359,902.80 and 99,621.60 is: 149,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,848.80 : 359,902.80 = 99,621.60 : x
  2. Step 2: Convert to fraction form
    239,848.80/359,902.80 = 99,621.60/x
  3. Step 3: Cross multiply
    239,848.80x = 359,902.80 × 99,621.60
  4. Step 4: Simplify right side
    239,848.80x = 35,854,092,780.48
  5. Step 5: Solve for x
    x = 35,854,092,780.48/239,848.80
  6. Step 6: Final answer
    x = 149,486.23

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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.