Home / 146,332.80-219,324.96-70,383.60

Finding the Fourth Proportional to 146,332.80, 219,324.96 and 70,383.60

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Solution

The fourth proportional to 146,332.80, 219,324.96 and 70,383.60 is: 105,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,332.80 : 219,324.96 = 70,383.60 : x
  2. Step 2: Convert to fraction form
    146,332.80/219,324.96 = 70,383.60/x
  3. Step 3: Cross multiply
    146,332.80x = 219,324.96 × 70,383.60
  4. Step 4: Simplify right side
    146,332.80x = 15,436,880,254.66
  5. Step 5: Solve for x
    x = 15,436,880,254.66/146,332.80
  6. Step 6: Final answer
    x = 105,491.59

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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.