Home / 131,808.04-181,901.71-77,362.56

Finding the Fourth Proportional to 131,808.04, 181,901.71 and 77,362.56

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Solution

The fourth proportional to 131,808.04, 181,901.71 and 77,362.56 is: 106,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808.04 : 181,901.71 = 77,362.56 : x
  2. Step 2: Convert to fraction form
    131,808.04/181,901.71 = 77,362.56/x
  3. Step 3: Cross multiply
    131,808.04x = 181,901.71 × 77,362.56
  4. Step 4: Simplify right side
    131,808.04x = 14,072,382,050.68
  5. Step 5: Solve for x
    x = 14,072,382,050.68/131,808.04
  6. Step 6: Final answer
    x = 106,764.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.