Home / 131,952.68-181,977.03-102,888.16

Finding the Fourth Proportional to 131,952.68, 181,977.03 and 102,888.16

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Solution

The fourth proportional to 131,952.68, 181,977.03 and 102,888.16 is: 141,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,952.68 : 181,977.03 = 102,888.16 : x
  2. Step 2: Convert to fraction form
    131,952.68/181,977.03 = 102,888.16/x
  3. Step 3: Cross multiply
    131,952.68x = 181,977.03 × 102,888.16
  4. Step 4: Simplify right side
    131,952.68x = 18,723,281,324.02
  5. Step 5: Solve for x
    x = 18,723,281,324.02/131,952.68
  6. Step 6: Final answer
    x = 141,893.91

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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.