Home / 148,814.23-205,365.14-80,832.55

Finding the Fourth Proportional to 148,814.23, 205,365.14 and 80,832.55

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Solution

The fourth proportional to 148,814.23, 205,365.14 and 80,832.55 is: 111,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,814.23 : 205,365.14 = 80,832.55 : x
  2. Step 2: Convert to fraction form
    148,814.23/205,365.14 = 80,832.55/x
  3. Step 3: Cross multiply
    148,814.23x = 205,365.14 × 80,832.55
  4. Step 4: Simplify right side
    148,814.23x = 16,600,187,543.14
  5. Step 5: Solve for x
    x = 16,600,187,543.14/148,814.23
  6. Step 6: Final answer
    x = 111,549.73

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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.