Home / 112,321.66-155,010.22-61,339.14

Finding the Fourth Proportional to 112,321.66, 155,010.22 and 61,339.14

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Solution

The fourth proportional to 112,321.66, 155,010.22 and 61,339.14 is: 84,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321.66 : 155,010.22 = 61,339.14 : x
  2. Step 2: Convert to fraction form
    112,321.66/155,010.22 = 61,339.14/x
  3. Step 3: Cross multiply
    112,321.66x = 155,010.22 × 61,339.14
  4. Step 4: Simplify right side
    112,321.66x = 9,508,193,586.01
  5. Step 5: Solve for x
    x = 9,508,193,586.01/112,321.66
  6. Step 6: Final answer
    x = 84,651.47

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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.