Home / 112,216.08-154,914.30-69,788.28

Finding the Fourth Proportional to 112,216.08, 154,914.30 and 69,788.28

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Solution

The fourth proportional to 112,216.08, 154,914.30 and 69,788.28 is: 96,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.08 : 154,914.30 = 69,788.28 : x
  2. Step 2: Convert to fraction form
    112,216.08/154,914.30 = 69,788.28/x
  3. Step 3: Cross multiply
    112,216.08x = 154,914.30 × 69,788.28
  4. Step 4: Simplify right side
    112,216.08x = 10,811,202,544.40
  5. Step 5: Solve for x
    x = 10,811,202,544.40/112,216.08
  6. Step 6: Final answer
    x = 96,342.72

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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.