Home / 129,269.66-193,904.55-40,530.08

Finding the Fourth Proportional to 129,269.66, 193,904.55 and 40,530.08

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Solution

The fourth proportional to 129,269.66, 193,904.55 and 40,530.08 is: 60,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,269.66 : 193,904.55 = 40,530.08 : x
  2. Step 2: Convert to fraction form
    129,269.66/193,904.55 = 40,530.08/x
  3. Step 3: Cross multiply
    129,269.66x = 193,904.55 × 40,530.08
  4. Step 4: Simplify right side
    129,269.66x = 7,858,966,923.86
  5. Step 5: Solve for x
    x = 7,858,966,923.86/129,269.66
  6. Step 6: Final answer
    x = 60,795.14

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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.