Home / 76,140.07-114,144.46-36,724.88

Finding the Fourth Proportional to 76,140.07, 114,144.46 and 36,724.88

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Solution

The fourth proportional to 76,140.07, 114,144.46 and 36,724.88 is: 55,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.07 : 114,144.46 = 36,724.88 : x
  2. Step 2: Convert to fraction form
    76,140.07/114,144.46 = 36,724.88/x
  3. Step 3: Cross multiply
    76,140.07x = 114,144.46 × 36,724.88
  4. Step 4: Simplify right side
    76,140.07x = 4,191,941,596.16
  5. Step 5: Solve for x
    x = 4,191,941,596.16/76,140.07
  6. Step 6: Final answer
    x = 55,055.66

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1.5x scale

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.