Home / 153,128.93-229,614.29-68,817.04

Finding the Fourth Proportional to 153,128.93, 229,614.29 and 68,817.04

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Solution

The fourth proportional to 153,128.93, 229,614.29 and 68,817.04 is: 103,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,128.93 : 229,614.29 = 68,817.04 : x
  2. Step 2: Convert to fraction form
    153,128.93/229,614.29 = 68,817.04/x
  3. Step 3: Cross multiply
    153,128.93x = 229,614.29 × 68,817.04
  4. Step 4: Simplify right side
    153,128.93x = 15,801,374,861.38
  5. Step 5: Solve for x
    x = 15,801,374,861.38/153,128.93
  6. Step 6: Final answer
    x = 103,190.01

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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.