Home / 156,112.65-234,001.04-67,407.93

Finding the Fourth Proportional to 156,112.65, 234,001.04 and 67,407.93

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Solution

The fourth proportional to 156,112.65, 234,001.04 and 67,407.93 is: 101,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,112.65 : 234,001.04 = 67,407.93 : x
  2. Step 2: Convert to fraction form
    156,112.65/234,001.04 = 67,407.93/x
  3. Step 3: Cross multiply
    156,112.65x = 234,001.04 × 67,407.93
  4. Step 4: Simplify right side
    156,112.65x = 15,773,525,387.21
  5. Step 5: Solve for x
    x = 15,773,525,387.21/156,112.65
  6. Step 6: Final answer
    x = 101,039.38

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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.