Home / 124,437.61-186,716.49-61,223.46

Finding the Fourth Proportional to 124,437.61, 186,716.49 and 61,223.46

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Solution

The fourth proportional to 124,437.61, 186,716.49 and 61,223.46 is: 91,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437.61 : 186,716.49 = 61,223.46 : x
  2. Step 2: Convert to fraction form
    124,437.61/186,716.49 = 61,223.46/x
  3. Step 3: Cross multiply
    124,437.61x = 186,716.49 × 61,223.46
  4. Step 4: Simplify right side
    124,437.61x = 11,431,429,556.86
  5. Step 5: Solve for x
    x = 11,431,429,556.86/124,437.61
  6. Step 6: Final answer
    x = 91,864.75

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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.