Home / 202,036.42-278,808.75-110,155.39

Finding the Fourth Proportional to 202,036.42, 278,808.75 and 110,155.39

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Solution

The fourth proportional to 202,036.42, 278,808.75 and 110,155.39 is: 152,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036.42 : 278,808.75 = 110,155.39 : x
  2. Step 2: Convert to fraction form
    202,036.42/278,808.75 = 110,155.39/x
  3. Step 3: Cross multiply
    202,036.42x = 278,808.75 × 110,155.39
  4. Step 4: Simplify right side
    202,036.42x = 30,712,286,591.66
  5. Step 5: Solve for x
    x = 30,712,286,591.66/202,036.42
  6. Step 6: Final answer
    x = 152,013.62

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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.