Home / 131,381.94-181,307.06-70,952.57

Finding the Fourth Proportional to 131,381.94, 181,307.06 and 70,952.57

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Solution

The fourth proportional to 131,381.94, 181,307.06 and 70,952.57 is: 97,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,381.94 : 181,307.06 = 70,952.57 : x
  2. Step 2: Convert to fraction form
    131,381.94/181,307.06 = 70,952.57/x
  3. Step 3: Cross multiply
    131,381.94x = 181,307.06 × 70,952.57
  4. Step 4: Simplify right side
    131,381.94x = 12,864,202,230.72
  5. Step 5: Solve for x
    x = 12,864,202,230.72/131,381.94
  6. Step 6: Final answer
    x = 97,914.54

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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.