Home / 239,723.58-359,745.76-99,482.20

Finding the Fourth Proportional to 239,723.58, 359,745.76 and 99,482.20

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Solution

The fourth proportional to 239,723.58, 359,745.76 and 99,482.20 is: 149,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,723.58 : 359,745.76 = 99,482.20 : x
  2. Step 2: Convert to fraction form
    239,723.58/359,745.76 = 99,482.20/x
  3. Step 3: Cross multiply
    239,723.58x = 359,745.76 × 99,482.20
  4. Step 4: Simplify right side
    239,723.58x = 35,788,299,645.47
  5. Step 5: Solve for x
    x = 35,788,299,645.47/239,723.58
  6. Step 6: Final answer
    x = 149,289.86

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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.