Home / 125,089.47-187,664.09-40,849.80

Finding the Fourth Proportional to 125,089.47, 187,664.09 and 40,849.80

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Solution

The fourth proportional to 125,089.47, 187,664.09 and 40,849.80 is: 61,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.47 : 187,664.09 = 40,849.80 : x
  2. Step 2: Convert to fraction form
    125,089.47/187,664.09 = 40,849.80/x
  3. Step 3: Cross multiply
    125,089.47x = 187,664.09 × 40,849.80
  4. Step 4: Simplify right side
    125,089.47x = 7,666,040,921.08
  5. Step 5: Solve for x
    x = 7,666,040,921.08/125,089.47
  6. Step 6: Final answer
    x = 61,284.46

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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.