Home / 112,647.54-155,447.43-64,242.36

Finding the Fourth Proportional to 112,647.54, 155,447.43 and 64,242.36

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Solution

The fourth proportional to 112,647.54, 155,447.43 and 64,242.36 is: 88,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647.54 : 155,447.43 = 64,242.36 : x
  2. Step 2: Convert to fraction form
    112,647.54/155,447.43 = 64,242.36/x
  3. Step 3: Cross multiply
    112,647.54x = 155,447.43 × 64,242.36
  4. Step 4: Simplify right side
    112,647.54x = 9,986,309,759.13
  5. Step 5: Solve for x
    x = 9,986,309,759.13/112,647.54
  6. Step 6: Final answer
    x = 88,650.94

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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.