Home / 131,381.14-181,305.94-70,951.77

Finding the Fourth Proportional to 131,381.14, 181,305.94 and 70,951.77

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Solution

The fourth proportional to 131,381.14, 181,305.94 and 70,951.77 is: 97,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,381.14 : 181,305.94 = 70,951.77 : x
  2. Step 2: Convert to fraction form
    131,381.14/181,305.94 = 70,951.77/x
  3. Step 3: Cross multiply
    131,381.14x = 181,305.94 × 70,951.77
  4. Step 4: Simplify right side
    131,381.14x = 12,863,977,354.51
  5. Step 5: Solve for x
    x = 12,863,977,354.51/131,381.14
  6. Step 6: Final answer
    x = 97,913.42

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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.