Home / 180,645.09-270,981.66-54,275.47

Finding the Fourth Proportional to 180,645.09, 270,981.66 and 54,275.47

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Solution

The fourth proportional to 180,645.09, 270,981.66 and 54,275.47 is: 81,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,645.09 : 270,981.66 = 54,275.47 : x
  2. Step 2: Convert to fraction form
    180,645.09/270,981.66 = 54,275.47/x
  3. Step 3: Cross multiply
    180,645.09x = 270,981.66 × 54,275.47
  4. Step 4: Simplify right side
    180,645.09x = 14,707,656,957.88
  5. Step 5: Solve for x
    x = 14,707,656,957.88/180,645.09
  6. Step 6: Final answer
    x = 81,417.42

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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.