Home / 107,441.40-161,162.10-82,865.40

Finding the Fourth Proportional to 107,441.40, 161,162.10 and 82,865.40

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Solution

The fourth proportional to 107,441.40, 161,162.10 and 82,865.40 is: 124,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,441.40 : 161,162.10 = 82,865.40 : x
  2. Step 2: Convert to fraction form
    107,441.40/161,162.10 = 82,865.40/x
  3. Step 3: Cross multiply
    107,441.40x = 161,162.10 × 82,865.40
  4. Step 4: Simplify right side
    107,441.40x = 13,354,761,881.34
  5. Step 5: Solve for x
    x = 13,354,761,881.34/107,441.40
  6. Step 6: Final answer
    x = 124,298.10

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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.