Home / 181,721.79-272,613.83-61,766.06

Finding the Fourth Proportional to 181,721.79, 272,613.83 and 61,766.06

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Solution

The fourth proportional to 181,721.79, 272,613.83 and 61,766.06 is: 92,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.79 : 272,613.83 = 61,766.06 : x
  2. Step 2: Convert to fraction form
    181,721.79/272,613.83 = 61,766.06/x
  3. Step 3: Cross multiply
    181,721.79x = 272,613.83 × 61,766.06
  4. Step 4: Simplify right side
    181,721.79x = 16,838,280,508.71
  5. Step 5: Solve for x
    x = 16,838,280,508.71/181,721.79
  6. Step 6: Final answer
    x = 92,659.67

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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.