Home / 148,319.80-222,498.90-73,478.20

Finding the Fourth Proportional to 148,319.80, 222,498.90 and 73,478.20

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Solution

The fourth proportional to 148,319.80, 222,498.90 and 73,478.20 is: 110,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,319.80 : 222,498.90 = 73,478.20 : x
  2. Step 2: Convert to fraction form
    148,319.80/222,498.90 = 73,478.20/x
  3. Step 3: Cross multiply
    148,319.80x = 222,498.90 × 73,478.20
  4. Step 4: Simplify right side
    148,319.80x = 16,348,818,673.98
  5. Step 5: Solve for x
    x = 16,348,818,673.98/148,319.80
  6. Step 6: Final answer
    x = 110,226.81

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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.