Home / 121,063.63-181,596.35-42,177.73

Finding the Fourth Proportional to 121,063.63, 181,596.35 and 42,177.73

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Solution

The fourth proportional to 121,063.63, 181,596.35 and 42,177.73 is: 63,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,063.63 : 181,596.35 = 42,177.73 : x
  2. Step 2: Convert to fraction form
    121,063.63/181,596.35 = 42,177.73/x
  3. Step 3: Cross multiply
    121,063.63x = 181,596.35 × 42,177.73
  4. Step 4: Simplify right side
    121,063.63x = 7,659,321,819.29
  5. Step 5: Solve for x
    x = 7,659,321,819.29/121,063.63
  6. Step 6: Final answer
    x = 63,266.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.