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Finding the Fourth Proportional to 148,950.23, 205,550.93 and 80,967.20

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Solution

The fourth proportional to 148,950.23, 205,550.93 and 80,967.20 is: 111,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,950.23 : 205,550.93 = 80,967.20 : x
  2. Step 2: Convert to fraction form
    148,950.23/205,550.93 = 80,967.20/x
  3. Step 3: Cross multiply
    148,950.23x = 205,550.93 × 80,967.20
  4. Step 4: Simplify right side
    148,950.23x = 16,642,882,434.16
  5. Step 5: Solve for x
    x = 16,642,882,434.16/148,950.23
  6. Step 6: Final answer
    x = 111,734.52

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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.