Home / 181,935.45-272,497.23-139,503.20

Finding the Fourth Proportional to 181,935.45, 272,497.23 and 139,503.20

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Solution

The fourth proportional to 181,935.45, 272,497.23 and 139,503.20 is: 208,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,935.45 : 272,497.23 = 139,503.20 : x
  2. Step 2: Convert to fraction form
    181,935.45/272,497.23 = 139,503.20/x
  3. Step 3: Cross multiply
    181,935.45x = 272,497.23 × 139,503.20
  4. Step 4: Simplify right side
    181,935.45x = 38,014,234,213.65
  5. Step 5: Solve for x
    x = 38,014,234,213.65/181,935.45
  6. Step 6: Final answer
    x = 208,943.52

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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.