Home / 238,929.99-358,457.05-89,171.42

Finding the Fourth Proportional to 238,929.99, 358,457.05 and 89,171.42

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Solution

The fourth proportional to 238,929.99, 358,457.05 and 89,171.42 is: 133,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,929.99 : 358,457.05 = 89,171.42 : x
  2. Step 2: Convert to fraction form
    238,929.99/358,457.05 = 89,171.42/x
  3. Step 3: Cross multiply
    238,929.99x = 358,457.05 × 89,171.42
  4. Step 4: Simplify right side
    238,929.99x = 31,964,121,975.10
  5. Step 5: Solve for x
    x = 31,964,121,975.10/238,929.99
  6. Step 6: Final answer
    x = 133,780.29

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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.