Home / 147,865.35-221,867.96-76,750.18

Finding the Fourth Proportional to 147,865.35, 221,867.96 and 76,750.18

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Solution

The fourth proportional to 147,865.35, 221,867.96 and 76,750.18 is: 115,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.35 : 221,867.96 = 76,750.18 : x
  2. Step 2: Convert to fraction form
    147,865.35/221,867.96 = 76,750.18/x
  3. Step 3: Cross multiply
    147,865.35x = 221,867.96 × 76,750.18
  4. Step 4: Simplify right side
    147,865.35x = 17,028,406,607.54
  5. Step 5: Solve for x
    x = 17,028,406,607.54/147,865.35
  6. Step 6: Final answer
    x = 115,161.58

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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.