Home / 77,403.66-116,105.61-21,244.53

Finding the Fourth Proportional to 77,403.66, 116,105.61 and 21,244.53

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Solution

The fourth proportional to 77,403.66, 116,105.61 and 21,244.53 is: 31,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.66 : 116,105.61 = 21,244.53 : x
  2. Step 2: Convert to fraction form
    77,403.66/116,105.61 = 21,244.53/x
  3. Step 3: Cross multiply
    77,403.66x = 116,105.61 × 21,244.53
  4. Step 4: Simplify right side
    77,403.66x = 2,466,609,114.81
  5. Step 5: Solve for x
    x = 2,466,609,114.81/77,403.66
  6. Step 6: Final answer
    x = 31,866.83

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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.