Home / 125,218.14-187,849.10-55,095.63

Finding the Fourth Proportional to 125,218.14, 187,849.10 and 55,095.63

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Solution

The fourth proportional to 125,218.14, 187,849.10 and 55,095.63 is: 82,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,218.14 : 187,849.10 = 55,095.63 : x
  2. Step 2: Convert to fraction form
    125,218.14/187,849.10 = 55,095.63/x
  3. Step 3: Cross multiply
    125,218.14x = 187,849.10 × 55,095.63
  4. Step 4: Simplify right side
    125,218.14x = 10,349,664,509.43
  5. Step 5: Solve for x
    x = 10,349,664,509.43/125,218.14
  6. Step 6: Final answer
    x = 82,653.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.