Home / 140,159.74-210,267.31-51,414.02

Finding the Fourth Proportional to 140,159.74, 210,267.31 and 51,414.02

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Solution

The fourth proportional to 140,159.74, 210,267.31 and 51,414.02 is: 77,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,159.74 : 210,267.31 = 51,414.02 : x
  2. Step 2: Convert to fraction form
    140,159.74/210,267.31 = 51,414.02/x
  3. Step 3: Cross multiply
    140,159.74x = 210,267.31 × 51,414.02
  4. Step 4: Simplify right side
    140,159.74x = 10,810,686,373.28
  5. Step 5: Solve for x
    x = 10,810,686,373.28/140,159.74
  6. Step 6: Final answer
    x = 77,131.18

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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.