Home / 124,371.99-171,661.05-79,041.15

Finding the Fourth Proportional to 124,371.99, 171,661.05 and 79,041.15

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Solution

The fourth proportional to 124,371.99, 171,661.05 and 79,041.15 is: 109,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.99 : 171,661.05 = 79,041.15 : x
  2. Step 2: Convert to fraction form
    124,371.99/171,661.05 = 79,041.15/x
  3. Step 3: Cross multiply
    124,371.99x = 171,661.05 × 79,041.15
  4. Step 4: Simplify right side
    124,371.99x = 13,568,286,802.21
  5. Step 5: Solve for x
    x = 13,568,286,802.21/124,371.99
  6. Step 6: Final answer
    x = 109,094.39

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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.