Home / 97,840.11-146,646.75-45,139.89

Finding the Fourth Proportional to 97,840.11, 146,646.75 and 45,139.89

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Solution

The fourth proportional to 97,840.11, 146,646.75 and 45,139.89 is: 67,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,840.11 : 146,646.75 = 45,139.89 : x
  2. Step 2: Convert to fraction form
    97,840.11/146,646.75 = 45,139.89/x
  3. Step 3: Cross multiply
    97,840.11x = 146,646.75 × 45,139.89
  4. Step 4: Simplify right side
    97,840.11x = 6,619,618,163.86
  5. Step 5: Solve for x
    x = 6,619,618,163.86/97,840.11
  6. Step 6: Final answer
    x = 67,657.51

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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.