Home / 112,858.08-155,760.48-65,101.92

Finding the Fourth Proportional to 112,858.08, 155,760.48 and 65,101.92

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Solution

The fourth proportional to 112,858.08, 155,760.48 and 65,101.92 is: 89,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,858.08 : 155,760.48 = 65,101.92 : x
  2. Step 2: Convert to fraction form
    112,858.08/155,760.48 = 65,101.92/x
  3. Step 3: Cross multiply
    112,858.08x = 155,760.48 × 65,101.92
  4. Step 4: Simplify right side
    112,858.08x = 10,140,306,308.12
  5. Step 5: Solve for x
    x = 10,140,306,308.12/112,858.08
  6. Step 6: Final answer
    x = 89,850.07

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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.