Home / 222,125.40-306,525.16-125,359.76

Finding the Fourth Proportional to 222,125.40, 306,525.16 and 125,359.76

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Solution

The fourth proportional to 222,125.40, 306,525.16 and 125,359.76 is: 172,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,125.40 : 306,525.16 = 125,359.76 : x
  2. Step 2: Convert to fraction form
    222,125.40/306,525.16 = 125,359.76/x
  3. Step 3: Cross multiply
    222,125.40x = 306,525.16 × 125,359.76
  4. Step 4: Simplify right side
    222,125.40x = 38,425,920,491.56
  5. Step 5: Solve for x
    x = 38,425,920,491.56/222,125.40
  6. Step 6: Final answer
    x = 172,992.01

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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.