Home / 120,550.17-180,833.92-31,802.63

Finding the Fourth Proportional to 120,550.17, 180,833.92 and 31,802.63

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Solution

The fourth proportional to 120,550.17, 180,833.92 and 31,802.63 is: 47,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.17 : 180,833.92 = 31,802.63 : x
  2. Step 2: Convert to fraction form
    120,550.17/180,833.92 = 31,802.63/x
  3. Step 3: Cross multiply
    120,550.17x = 180,833.92 × 31,802.63
  4. Step 4: Simplify right side
    120,550.17x = 5,750,993,265.53
  5. Step 5: Solve for x
    x = 5,750,993,265.53/120,550.17
  6. Step 6: Final answer
    x = 47,706.22

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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.