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Finding the Fourth Proportional to 148,151.80, 222,352.14 and 138,810.08

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Solution

The fourth proportional to 148,151.80, 222,352.14 and 138,810.08 is: 208,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,151.80 : 222,352.14 = 138,810.08 : x
  2. Step 2: Convert to fraction form
    148,151.80/222,352.14 = 138,810.08/x
  3. Step 3: Cross multiply
    148,151.80x = 222,352.14 × 138,810.08
  4. Step 4: Simplify right side
    148,151.80x = 30,864,718,341.57
  5. Step 5: Solve for x
    x = 30,864,718,341.57/148,151.80
  6. Step 6: Final answer
    x = 208,331.71

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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.