Home / 181,487.78-272,231.67-56,838.50

Finding the Fourth Proportional to 181,487.78, 272,231.67 and 56,838.50

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Solution

The fourth proportional to 181,487.78, 272,231.67 and 56,838.50 is: 85,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,487.78 : 272,231.67 = 56,838.50 : x
  2. Step 2: Convert to fraction form
    181,487.78/272,231.67 = 56,838.50/x
  3. Step 3: Cross multiply
    181,487.78x = 272,231.67 × 56,838.50
  4. Step 4: Simplify right side
    181,487.78x = 15,473,239,775.30
  5. Step 5: Solve for x
    x = 15,473,239,775.30/181,487.78
  6. Step 6: Final answer
    x = 85,257.75

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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.