Home / 181,830.80-272,812-93,126.08

Finding the Fourth Proportional to 181,830.80, 272,812 and 93,126.08

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Solution

The fourth proportional to 181,830.80, 272,812 and 93,126.08 is: 139,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,830.80 : 272,812 = 93,126.08 : x
  2. Step 2: Convert to fraction form
    181,830.80/272,812 = 93,126.08/x
  3. Step 3: Cross multiply
    181,830.80x = 272,812 × 93,126.08
  4. Step 4: Simplify right side
    181,830.80x = 25,405,912,136.96
  5. Step 5: Solve for x
    x = 25,405,912,136.96/181,830.80
  6. Step 6: Final answer
    x = 139,722.82

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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.