Home / 121,264.05-167,344.65-70,286.61

Finding the Fourth Proportional to 121,264.05, 167,344.65 and 70,286.61

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Solution

The fourth proportional to 121,264.05, 167,344.65 and 70,286.61 is: 96,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264.05 : 167,344.65 = 70,286.61 : x
  2. Step 2: Convert to fraction form
    121,264.05/167,344.65 = 70,286.61/x
  3. Step 3: Cross multiply
    121,264.05x = 167,344.65 × 70,286.61
  4. Step 4: Simplify right side
    121,264.05x = 11,762,088,150.14
  5. Step 5: Solve for x
    x = 11,762,088,150.14/121,264.05
  6. Step 6: Final answer
    x = 96,995.67

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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.