Home / 129,314.36-193,971.54-40,574.96

Finding the Fourth Proportional to 129,314.36, 193,971.54 and 40,574.96

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Solution

The fourth proportional to 129,314.36, 193,971.54 and 40,574.96 is: 60,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314.36 : 193,971.54 = 40,574.96 : x
  2. Step 2: Convert to fraction form
    129,314.36/193,971.54 = 40,574.96/x
  3. Step 3: Cross multiply
    129,314.36x = 193,971.54 × 40,574.96
  4. Step 4: Simplify right side
    129,314.36x = 7,870,387,476.64
  5. Step 5: Solve for x
    x = 7,870,387,476.64/129,314.36
  6. Step 6: Final answer
    x = 60,862.44

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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.