Home / 134,766.50-186,037.55-87,043.12

Finding the Fourth Proportional to 134,766.50, 186,037.55 and 87,043.12

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Solution

The fourth proportional to 134,766.50, 186,037.55 and 87,043.12 is: 120,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,766.50 : 186,037.55 = 87,043.12 : x
  2. Step 2: Convert to fraction form
    134,766.50/186,037.55 = 87,043.12/x
  3. Step 3: Cross multiply
    134,766.50x = 186,037.55 × 87,043.12
  4. Step 4: Simplify right side
    134,766.50x = 16,193,289,599.34
  5. Step 5: Solve for x
    x = 16,193,289,599.34/134,766.50
  6. Step 6: Final answer
    x = 120,158.12

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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.