Home / 153,239.40-229,923.90-97,122.60

Finding the Fourth Proportional to 153,239.40, 229,923.90 and 97,122.60

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Solution

The fourth proportional to 153,239.40, 229,923.90 and 97,122.60 is: 145,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,239.40 : 229,923.90 = 97,122.60 : x
  2. Step 2: Convert to fraction form
    153,239.40/229,923.90 = 97,122.60/x
  3. Step 3: Cross multiply
    153,239.40x = 229,923.90 × 97,122.60
  4. Step 4: Simplify right side
    153,239.40x = 22,330,806,970.14
  5. Step 5: Solve for x
    x = 22,330,806,970.14/153,239.40
  6. Step 6: Final answer
    x = 145,724.97

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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.