Home / 146,717.05-220,068.33-85,961.74

Finding the Fourth Proportional to 146,717.05, 220,068.33 and 85,961.74

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Solution

The fourth proportional to 146,717.05, 220,068.33 and 85,961.74 is: 128,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,717.05 : 220,068.33 = 85,961.74 : x
  2. Step 2: Convert to fraction form
    146,717.05/220,068.33 = 85,961.74/x
  3. Step 3: Cross multiply
    146,717.05x = 220,068.33 × 85,961.74
  4. Step 4: Simplify right side
    146,717.05x = 18,917,455,693.17
  5. Step 5: Solve for x
    x = 18,917,455,693.17/146,717.05
  6. Step 6: Final answer
    x = 128,938.36

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1.5x scale

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.