Home / 146,719.05-220,071.33-85,963.74

Finding the Fourth Proportional to 146,719.05, 220,071.33 and 85,963.74

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Solution

The fourth proportional to 146,719.05, 220,071.33 and 85,963.74 is: 128,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,719.05 : 220,071.33 = 85,963.74 : x
  2. Step 2: Convert to fraction form
    146,719.05/220,071.33 = 85,963.74/x
  3. Step 3: Cross multiply
    146,719.05x = 220,071.33 × 85,963.74
  4. Step 4: Simplify right side
    146,719.05x = 18,918,154,593.57
  5. Step 5: Solve for x
    x = 18,918,154,593.57/146,719.05
  6. Step 6: Final answer
    x = 128,941.37

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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.