Home / 97,895.20-146,891.40-55,807.60

Finding the Fourth Proportional to 97,895.20, 146,891.40 and 55,807.60

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Solution

The fourth proportional to 97,895.20, 146,891.40 and 55,807.60 is: 83,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,895.20 : 146,891.40 = 55,807.60 : x
  2. Step 2: Convert to fraction form
    97,895.20/146,891.40 = 55,807.60/x
  3. Step 3: Cross multiply
    97,895.20x = 146,891.40 × 55,807.60
  4. Step 4: Simplify right side
    97,895.20x = 8,197,656,494.64
  5. Step 5: Solve for x
    x = 8,197,656,494.64/97,895.20
  6. Step 6: Final answer
    x = 83,739.11

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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.