Home / 131,396.06-181,314.64-74,044.71

Finding the Fourth Proportional to 131,396.06, 181,314.64 and 74,044.71

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Solution

The fourth proportional to 131,396.06, 181,314.64 and 74,044.71 is: 102,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,396.06 : 181,314.64 = 74,044.71 : x
  2. Step 2: Convert to fraction form
    131,396.06/181,314.64 = 74,044.71/x
  3. Step 3: Cross multiply
    131,396.06x = 181,314.64 × 74,044.71
  4. Step 4: Simplify right side
    131,396.06x = 13,425,389,937.55
  5. Step 5: Solve for x
    x = 13,425,389,937.55/131,396.06
  6. Step 6: Final answer
    x = 102,174.98

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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.