Home / 238,717.89-329,423.04-131,287.59

Finding the Fourth Proportional to 238,717.89, 329,423.04 and 131,287.59

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Solution

The fourth proportional to 238,717.89, 329,423.04 and 131,287.59 is: 181,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,717.89 : 329,423.04 = 131,287.59 : x
  2. Step 2: Convert to fraction form
    238,717.89/329,423.04 = 131,287.59/x
  3. Step 3: Cross multiply
    238,717.89x = 329,423.04 × 131,287.59
  4. Step 4: Simplify right side
    238,717.89x = 43,249,157,012.07
  5. Step 5: Solve for x
    x = 43,249,157,012.07/238,717.89
  6. Step 6: Final answer
    x = 181,172.67

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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.