Home / 107,276.81-160,923.11-28,390.50

Finding the Fourth Proportional to 107,276.81, 160,923.11 and 28,390.50

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Solution

The fourth proportional to 107,276.81, 160,923.11 and 28,390.50 is: 42,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,276.81 : 160,923.11 = 28,390.50 : x
  2. Step 2: Convert to fraction form
    107,276.81/160,923.11 = 28,390.50/x
  3. Step 3: Cross multiply
    107,276.81x = 160,923.11 × 28,390.50
  4. Step 4: Simplify right side
    107,276.81x = 4,568,687,412.50
  5. Step 5: Solve for x
    x = 4,568,687,412.50/107,276.81
  6. Step 6: Final answer
    x = 42,587.84

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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.