Home / 142,685.80-214,132.51-114,940.82

Finding the Fourth Proportional to 142,685.80, 214,132.51 and 114,940.82

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Solution

The fourth proportional to 142,685.80, 214,132.51 and 114,940.82 is: 172,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,685.80 : 214,132.51 = 114,940.82 : x
  2. Step 2: Convert to fraction form
    142,685.80/214,132.51 = 114,940.82/x
  3. Step 3: Cross multiply
    142,685.80x = 214,132.51 × 114,940.82
  4. Step 4: Simplify right side
    142,685.80x = 24,612,566,967.07
  5. Step 5: Solve for x
    x = 24,612,566,967.07/142,685.80
  6. Step 6: Final answer
    x = 172,494.86

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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.