Home / 239,135.22-358,727.13-81,374.76

Finding the Fourth Proportional to 239,135.22, 358,727.13 and 81,374.76

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Solution

The fourth proportional to 239,135.22, 358,727.13 and 81,374.76 is: 122,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,135.22 : 358,727.13 = 81,374.76 : x
  2. Step 2: Convert to fraction form
    239,135.22/358,727.13 = 81,374.76/x
  3. Step 3: Cross multiply
    239,135.22x = 358,727.13 × 81,374.76
  4. Step 4: Simplify right side
    239,135.22x = 29,191,334,109.24
  5. Step 5: Solve for x
    x = 29,191,334,109.24/239,135.22
  6. Step 6: Final answer
    x = 122,070.41

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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.