Home / 117,680.66-162,398.86-66,703.21

Finding the Fourth Proportional to 117,680.66, 162,398.86 and 66,703.21

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Solution

The fourth proportional to 117,680.66, 162,398.86 and 66,703.21 is: 92,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.66 : 162,398.86 = 66,703.21 : x
  2. Step 2: Convert to fraction form
    117,680.66/162,398.86 = 66,703.21/x
  3. Step 3: Cross multiply
    117,680.66x = 162,398.86 × 66,703.21
  4. Step 4: Simplify right side
    117,680.66x = 10,832,524,689.59
  5. Step 5: Solve for x
    x = 10,832,524,689.59/117,680.66
  6. Step 6: Final answer
    x = 92,050.17

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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.