Home / 112,745.64-155,580.42-62,443.56

Finding the Fourth Proportional to 112,745.64, 155,580.42 and 62,443.56

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Solution

The fourth proportional to 112,745.64, 155,580.42 and 62,443.56 is: 86,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,745.64 : 155,580.42 = 62,443.56 : x
  2. Step 2: Convert to fraction form
    112,745.64/155,580.42 = 62,443.56/x
  3. Step 3: Cross multiply
    112,745.64x = 155,580.42 × 62,443.56
  4. Step 4: Simplify right side
    112,745.64x = 9,714,995,291.10
  5. Step 5: Solve for x
    x = 9,714,995,291.10/112,745.64
  6. Step 6: Final answer
    x = 86,167.37

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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.