Home / 112,251.91-154,909.06-66,313.06

Finding the Fourth Proportional to 112,251.91, 154,909.06 and 66,313.06

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Solution

The fourth proportional to 112,251.91, 154,909.06 and 66,313.06 is: 91,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,251.91 : 154,909.06 = 66,313.06 : x
  2. Step 2: Convert to fraction form
    112,251.91/154,909.06 = 66,313.06/x
  3. Step 3: Cross multiply
    112,251.91x = 154,909.06 × 66,313.06
  4. Step 4: Simplify right side
    112,251.91x = 10,272,493,790.32
  5. Step 5: Solve for x
    x = 10,272,493,790.32/112,251.91
  6. Step 6: Final answer
    x = 91,512.86

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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.