Home / 218,380.98-301,341.33-122,920.50

Finding the Fourth Proportional to 218,380.98, 301,341.33 and 122,920.50

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Solution

The fourth proportional to 218,380.98, 301,341.33 and 122,920.50 is: 169,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,380.98 : 301,341.33 = 122,920.50 : x
  2. Step 2: Convert to fraction form
    218,380.98/301,341.33 = 122,920.50/x
  3. Step 3: Cross multiply
    218,380.98x = 301,341.33 × 122,920.50
  4. Step 4: Simplify right side
    218,380.98x = 37,041,026,954.27
  5. Step 5: Solve for x
    x = 37,041,026,954.27/218,380.98
  6. Step 6: Final answer
    x = 169,616.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.