Home / 80,360.48-120,526.94-21,196.74

Finding the Fourth Proportional to 80,360.48, 120,526.94 and 21,196.74

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Solution

The fourth proportional to 80,360.48, 120,526.94 and 21,196.74 is: 31,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,360.48 : 120,526.94 = 21,196.74 : x
  2. Step 2: Convert to fraction form
    80,360.48/120,526.94 = 21,196.74/x
  3. Step 3: Cross multiply
    80,360.48x = 120,526.94 × 21,196.74
  4. Step 4: Simplify right side
    80,360.48x = 2,554,778,210.18
  5. Step 5: Solve for x
    x = 2,554,778,210.18/80,360.48
  6. Step 6: Final answer
    x = 31,791.48

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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.