Home / 123,975.68-185,920-40,847.36

Finding the Fourth Proportional to 123,975.68, 185,920 and 40,847.36

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Solution

The fourth proportional to 123,975.68, 185,920 and 40,847.36 is: 61,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,975.68 : 185,920 = 40,847.36 : x
  2. Step 2: Convert to fraction form
    123,975.68/185,920 = 40,847.36/x
  3. Step 3: Cross multiply
    123,975.68x = 185,920 × 40,847.36
  4. Step 4: Simplify right side
    123,975.68x = 7,594,341,171.20
  5. Step 5: Solve for x
    x = 7,594,341,171.20/123,975.68
  6. Step 6: Final answer
    x = 61,256.70

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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.