Home / 260,979.12-360,140.16-152,093.76

Finding the Fourth Proportional to 260,979.12, 360,140.16 and 152,093.76

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Solution

The fourth proportional to 260,979.12, 360,140.16 and 152,093.76 is: 209,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,979.12 : 360,140.16 = 152,093.76 : x
  2. Step 2: Convert to fraction form
    260,979.12/360,140.16 = 152,093.76/x
  3. Step 3: Cross multiply
    260,979.12x = 360,140.16 × 152,093.76
  4. Step 4: Simplify right side
    260,979.12x = 54,775,071,061.40
  5. Step 5: Solve for x
    x = 54,775,071,061.40/260,979.12
  6. Step 6: Final answer
    x = 209,882.96

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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.