Home / 201,565.30-278,154.22-110,921.23

Finding the Fourth Proportional to 201,565.30, 278,154.22 and 110,921.23

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Solution

The fourth proportional to 201,565.30, 278,154.22 and 110,921.23 is: 153,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,565.30 : 278,154.22 = 110,921.23 : x
  2. Step 2: Convert to fraction form
    201,565.30/278,154.22 = 110,921.23/x
  3. Step 3: Cross multiply
    201,565.30x = 278,154.22 × 110,921.23
  4. Step 4: Simplify right side
    201,565.30x = 30,853,208,212.09
  5. Step 5: Solve for x
    x = 30,853,208,212.09/201,565.30
  6. Step 6: Final answer
    x = 153,068.05

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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.