Home / 222,641.20-307,302.96-137,708.92

Finding the Fourth Proportional to 222,641.20, 307,302.96 and 137,708.92

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Solution

The fourth proportional to 222,641.20, 307,302.96 and 137,708.92 is: 190,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,641.20 : 307,302.96 = 137,708.92 : x
  2. Step 2: Convert to fraction form
    222,641.20/307,302.96 = 137,708.92/x
  3. Step 3: Cross multiply
    222,641.20x = 307,302.96 × 137,708.92
  4. Step 4: Simplify right side
    222,641.20x = 42,318,358,734.40
  5. Step 5: Solve for x
    x = 42,318,358,734.40/222,641.20
  6. Step 6: Final answer
    x = 190,074.25

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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.