Home / 157,990.19-236,937.09-83,069.69

Finding the Fourth Proportional to 157,990.19, 236,937.09 and 83,069.69

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Solution

The fourth proportional to 157,990.19, 236,937.09 and 83,069.69 is: 124,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,990.19 : 236,937.09 = 83,069.69 : x
  2. Step 2: Convert to fraction form
    157,990.19/236,937.09 = 83,069.69/x
  3. Step 3: Cross multiply
    157,990.19x = 236,937.09 × 83,069.69
  4. Step 4: Simplify right side
    157,990.19x = 19,682,290,615.80
  5. Step 5: Solve for x
    x = 19,682,290,615.80/157,990.19
  6. Step 6: Final answer
    x = 124,579.19

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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.