Home / 120,802.60-181,290.30-50,732.20

Finding the Fourth Proportional to 120,802.60, 181,290.30 and 50,732.20

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Solution

The fourth proportional to 120,802.60, 181,290.30 and 50,732.20 is: 76,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802.60 : 181,290.30 = 50,732.20 : x
  2. Step 2: Convert to fraction form
    120,802.60/181,290.30 = 50,732.20/x
  3. Step 3: Cross multiply
    120,802.60x = 181,290.30 × 50,732.20
  4. Step 4: Simplify right side
    120,802.60x = 9,197,255,757.66
  5. Step 5: Solve for x
    x = 9,197,255,757.66/120,802.60
  6. Step 6: Final answer
    x = 76,134.58

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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.