Home / 201,518.16-278,095.05-110,872.20

Finding the Fourth Proportional to 201,518.16, 278,095.05 and 110,872.20

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Solution

The fourth proportional to 201,518.16, 278,095.05 and 110,872.20 is: 153,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,518.16 : 278,095.05 = 110,872.20 : x
  2. Step 2: Convert to fraction form
    201,518.16/278,095.05 = 110,872.20/x
  3. Step 3: Cross multiply
    201,518.16x = 278,095.05 × 110,872.20
  4. Step 4: Simplify right side
    201,518.16x = 30,833,010,002.61
  5. Step 5: Solve for x
    x = 30,833,010,002.61/201,518.16
  6. Step 6: Final answer
    x = 153,003.63

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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.