Home / 145,313.42-217,974.23-40,132.40

Finding the Fourth Proportional to 145,313.42, 217,974.23 and 40,132.40

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Solution

The fourth proportional to 145,313.42, 217,974.23 and 40,132.40 is: 60,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313.42 : 217,974.23 = 40,132.40 : x
  2. Step 2: Convert to fraction form
    145,313.42/217,974.23 = 40,132.40/x
  3. Step 3: Cross multiply
    145,313.42x = 217,974.23 × 40,132.40
  4. Step 4: Simplify right side
    145,313.42x = 8,747,828,988.05
  5. Step 5: Solve for x
    x = 8,747,828,988.05/145,313.42
  6. Step 6: Final answer
    x = 60,199.73

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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.