Home / 146,140.71-219,081.47-71,218.95

Finding the Fourth Proportional to 146,140.71, 219,081.47 and 71,218.95

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Solution

The fourth proportional to 146,140.71, 219,081.47 and 71,218.95 is: 106,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,140.71 : 219,081.47 = 71,218.95 : x
  2. Step 2: Convert to fraction form
    146,140.71/219,081.47 = 71,218.95/x
  3. Step 3: Cross multiply
    146,140.71x = 219,081.47 × 71,218.95
  4. Step 4: Simplify right side
    146,140.71x = 15,602,751,901.76
  5. Step 5: Solve for x
    x = 15,602,751,901.76/146,140.71
  6. Step 6: Final answer
    x = 106,765.27

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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.