Home / 154,947.70-232,421.07-87,449.13

Finding the Fourth Proportional to 154,947.70, 232,421.07 and 87,449.13

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Solution

The fourth proportional to 154,947.70, 232,421.07 and 87,449.13 is: 131,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,947.70 : 232,421.07 = 87,449.13 : x
  2. Step 2: Convert to fraction form
    154,947.70/232,421.07 = 87,449.13/x
  3. Step 3: Cross multiply
    154,947.70x = 232,421.07 × 87,449.13
  4. Step 4: Simplify right side
    154,947.70x = 20,325,020,365.17
  5. Step 5: Solve for x
    x = 20,325,020,365.17/154,947.70
  6. Step 6: Final answer
    x = 131,173.42

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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.