Home / 136,487.43-188,282.48-88,723.35

Finding the Fourth Proportional to 136,487.43, 188,282.48 and 88,723.35

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Solution

The fourth proportional to 136,487.43, 188,282.48 and 88,723.35 is: 122,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,487.43 : 188,282.48 = 88,723.35 : x
  2. Step 2: Convert to fraction form
    136,487.43/188,282.48 = 88,723.35/x
  3. Step 3: Cross multiply
    136,487.43x = 188,282.48 × 88,723.35
  4. Step 4: Simplify right side
    136,487.43x = 16,705,051,928.29
  5. Step 5: Solve for x
    x = 16,705,051,928.29/136,487.43
  6. Step 6: Final answer
    x = 122,392.60

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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.