Home / 153,237.40-229,920.90-97,120.60

Finding the Fourth Proportional to 153,237.40, 229,920.90 and 97,120.60

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Solution

The fourth proportional to 153,237.40, 229,920.90 and 97,120.60 is: 145,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,237.40 : 229,920.90 = 97,120.60 : x
  2. Step 2: Convert to fraction form
    153,237.40/229,920.90 = 97,120.60/x
  3. Step 3: Cross multiply
    153,237.40x = 229,920.90 × 97,120.60
  4. Step 4: Simplify right side
    153,237.40x = 22,330,055,760.54
  5. Step 5: Solve for x
    x = 22,330,055,760.54/153,237.40
  6. Step 6: Final answer
    x = 145,721.97

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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.