Home / 131,376.24-181,288.89-74,013.03

Finding the Fourth Proportional to 131,376.24, 181,288.89 and 74,013.03

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Solution

The fourth proportional to 131,376.24, 181,288.89 and 74,013.03 is: 102,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,376.24 : 181,288.89 = 74,013.03 : x
  2. Step 2: Convert to fraction form
    131,376.24/181,288.89 = 74,013.03/x
  3. Step 3: Cross multiply
    131,376.24x = 181,288.89 × 74,013.03
  4. Step 4: Simplify right side
    131,376.24x = 13,417,740,054.24
  5. Step 5: Solve for x
    x = 13,417,740,054.24/131,376.24
  6. Step 6: Final answer
    x = 102,132.17

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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.