Home / 148,146.80-222,344.64-138,805.07

Finding the Fourth Proportional to 148,146.80, 222,344.64 and 138,805.07

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Solution

The fourth proportional to 148,146.80, 222,344.64 and 138,805.07 is: 208,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,146.80 : 222,344.64 = 138,805.07 : x
  2. Step 2: Convert to fraction form
    148,146.80/222,344.64 = 138,805.07/x
  3. Step 3: Cross multiply
    148,146.80x = 222,344.64 × 138,805.07
  4. Step 4: Simplify right side
    148,146.80x = 30,862,563,319.32
  5. Step 5: Solve for x
    x = 30,862,563,319.32/148,146.80
  6. Step 6: Final answer
    x = 208,324.20

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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.