Home / 134,182.20-185,160.34-76,808.30

Finding the Fourth Proportional to 134,182.20, 185,160.34 and 76,808.30

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Solution

The fourth proportional to 134,182.20, 185,160.34 and 76,808.30 is: 105,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,182.20 : 185,160.34 = 76,808.30 : x
  2. Step 2: Convert to fraction form
    134,182.20/185,160.34 = 76,808.30/x
  3. Step 3: Cross multiply
    134,182.20x = 185,160.34 × 76,808.30
  4. Step 4: Simplify right side
    134,182.20x = 14,221,850,942.82
  5. Step 5: Solve for x
    x = 14,221,850,942.82/134,182.20
  6. Step 6: Final answer
    x = 105,989.10

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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.