Home / 140,210.31-193,481.22-76,547.97

Finding the Fourth Proportional to 140,210.31, 193,481.22 and 76,547.97

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Solution

The fourth proportional to 140,210.31, 193,481.22 and 76,547.97 is: 105,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.31 : 193,481.22 = 76,547.97 : x
  2. Step 2: Convert to fraction form
    140,210.31/193,481.22 = 76,547.97/x
  3. Step 3: Cross multiply
    140,210.31x = 193,481.22 × 76,547.97
  4. Step 4: Simplify right side
    140,210.31x = 14,810,594,624.12
  5. Step 5: Solve for x
    x = 14,810,594,624.12/140,210.31
  6. Step 6: Final answer
    x = 105,631.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.