Home / 97,845.74-146,655.20-45,145.52

Finding the Fourth Proportional to 97,845.74, 146,655.20 and 45,145.52

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Solution

The fourth proportional to 97,845.74, 146,655.20 and 45,145.52 is: 67,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.74 : 146,655.20 = 45,145.52 : x
  2. Step 2: Convert to fraction form
    97,845.74/146,655.20 = 45,145.52/x
  3. Step 3: Cross multiply
    97,845.74x = 146,655.20 × 45,145.52
  4. Step 4: Simplify right side
    97,845.74x = 6,620,824,644.29
  5. Step 5: Solve for x
    x = 6,620,824,644.29/97,845.74
  6. Step 6: Final answer
    x = 67,665.95

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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.