Home / 134,487.81-201,731.40-40,993.56

Finding the Fourth Proportional to 134,487.81, 201,731.40 and 40,993.56

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Solution

The fourth proportional to 134,487.81, 201,731.40 and 40,993.56 is: 61,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,487.81 : 201,731.40 = 40,993.56 : x
  2. Step 2: Convert to fraction form
    134,487.81/201,731.40 = 40,993.56/x
  3. Step 3: Cross multiply
    134,487.81x = 201,731.40 × 40,993.56
  4. Step 4: Simplify right side
    134,487.81x = 8,269,688,249.78
  5. Step 5: Solve for x
    x = 8,269,688,249.78/134,487.81
  6. Step 6: Final answer
    x = 61,490.24

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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.