Home / 181,929.40-272,923.30-76,763.86

Finding the Fourth Proportional to 181,929.40, 272,923.30 and 76,763.86

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Solution

The fourth proportional to 181,929.40, 272,923.30 and 76,763.86 is: 115,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.40 : 272,923.30 = 76,763.86 : x
  2. Step 2: Convert to fraction form
    181,929.40/272,923.30 = 76,763.86/x
  3. Step 3: Cross multiply
    181,929.40x = 272,923.30 × 76,763.86
  4. Step 4: Simplify right side
    181,929.40x = 20,950,646,482.34
  5. Step 5: Solve for x
    x = 20,950,646,482.34/181,929.40
  6. Step 6: Final answer
    x = 115,158.11

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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.