Home / 134,683.35-185,857.41-73,428.21

Finding the Fourth Proportional to 134,683.35, 185,857.41 and 73,428.21

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Solution

The fourth proportional to 134,683.35, 185,857.41 and 73,428.21 is: 101,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,683.35 : 185,857.41 = 73,428.21 : x
  2. Step 2: Convert to fraction form
    134,683.35/185,857.41 = 73,428.21/x
  3. Step 3: Cross multiply
    134,683.35x = 185,857.41 × 73,428.21
  4. Step 4: Simplify right side
    134,683.35x = 13,647,176,931.54
  5. Step 5: Solve for x
    x = 13,647,176,931.54/134,683.35
  6. Step 6: Final answer
    x = 101,327.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.