Home / 113,579.67-156,740.17-68,258.35

Finding the Fourth Proportional to 113,579.67, 156,740.17 and 68,258.35

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Solution

The fourth proportional to 113,579.67, 156,740.17 and 68,258.35 is: 94,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,579.67 : 156,740.17 = 68,258.35 : x
  2. Step 2: Convert to fraction form
    113,579.67/156,740.17 = 68,258.35/x
  3. Step 3: Cross multiply
    113,579.67x = 156,740.17 × 68,258.35
  4. Step 4: Simplify right side
    113,579.67x = 10,698,825,382.92
  5. Step 5: Solve for x
    x = 10,698,825,382.92/113,579.67
  6. Step 6: Final answer
    x = 94,196.66

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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.