Home / 170,681.39-255,942.84-99,624.55

Finding the Fourth Proportional to 170,681.39, 255,942.84 and 99,624.55

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Solution

The fourth proportional to 170,681.39, 255,942.84 and 99,624.55 is: 149,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,681.39 : 255,942.84 = 99,624.55 : x
  2. Step 2: Convert to fraction form
    170,681.39/255,942.84 = 99,624.55/x
  3. Step 3: Cross multiply
    170,681.39x = 255,942.84 × 99,624.55
  4. Step 4: Simplify right side
    170,681.39x = 25,498,188,981.01
  5. Step 5: Solve for x
    x = 25,498,188,981.01/170,681.39
  6. Step 6: Final answer
    x = 149,390.56

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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.