Home / 134,770.50-186,043.07-87,047.13

Finding the Fourth Proportional to 134,770.50, 186,043.07 and 87,047.13

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Solution

The fourth proportional to 134,770.50, 186,043.07 and 87,047.13 is: 120,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,770.50 : 186,043.07 = 87,047.13 : x
  2. Step 2: Convert to fraction form
    134,770.50/186,043.07 = 87,047.13/x
  3. Step 3: Cross multiply
    134,770.50x = 186,043.07 × 87,047.13
  4. Step 4: Simplify right side
    134,770.50x = 16,194,515,299.89
  5. Step 5: Solve for x
    x = 16,194,515,299.89/134,770.50
  6. Step 6: Final answer
    x = 120,163.65

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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.