Home / 76,140.10-114,207.77-36,187.84

Finding the Fourth Proportional to 76,140.10, 114,207.77 and 36,187.84

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Solution

The fourth proportional to 76,140.10, 114,207.77 and 36,187.84 is: 54,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.10 : 114,207.77 = 36,187.84 : x
  2. Step 2: Convert to fraction form
    76,140.10/114,207.77 = 36,187.84/x
  3. Step 3: Cross multiply
    76,140.10x = 114,207.77 × 36,187.84
  4. Step 4: Simplify right side
    76,140.10x = 4,132,932,326.58
  5. Step 5: Solve for x
    x = 4,132,932,326.58/76,140.10
  6. Step 6: Final answer
    x = 54,280.63

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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.