Home / 134,986.72-186,280.56-73,732.94

Finding the Fourth Proportional to 134,986.72, 186,280.56 and 73,732.94

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Solution

The fourth proportional to 134,986.72, 186,280.56 and 73,732.94 is: 101,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,986.72 : 186,280.56 = 73,732.94 : x
  2. Step 2: Convert to fraction form
    134,986.72/186,280.56 = 73,732.94/x
  3. Step 3: Cross multiply
    134,986.72x = 186,280.56 × 73,732.94
  4. Step 4: Simplify right side
    134,986.72x = 13,735,013,819.35
  5. Step 5: Solve for x
    x = 13,735,013,819.35/134,986.72
  6. Step 6: Final answer
    x = 101,750.85

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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.