Home / 146,721.22-220,041.18-51,938.92

Finding the Fourth Proportional to 146,721.22, 220,041.18 and 51,938.92

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Solution

The fourth proportional to 146,721.22, 220,041.18 and 51,938.92 is: 77,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.22 : 220,041.18 = 51,938.92 : x
  2. Step 2: Convert to fraction form
    146,721.22/220,041.18 = 51,938.92/x
  3. Step 3: Cross multiply
    146,721.22x = 220,041.18 × 51,938.92
  4. Step 4: Simplify right side
    146,721.22x = 11,428,701,244.73
  5. Step 5: Solve for x
    x = 11,428,701,244.73/146,721.22
  6. Step 6: Final answer
    x = 77,893.99

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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.