Home / 124,290.38-171,466.08-83,989.46

Finding the Fourth Proportional to 124,290.38, 171,466.08 and 83,989.46

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Solution

The fourth proportional to 124,290.38, 171,466.08 and 83,989.46 is: 115,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.38 : 171,466.08 = 83,989.46 : x
  2. Step 2: Convert to fraction form
    124,290.38/171,466.08 = 83,989.46/x
  3. Step 3: Cross multiply
    124,290.38x = 171,466.08 × 83,989.46
  4. Step 4: Simplify right side
    124,290.38x = 14,401,343,467.52
  5. Step 5: Solve for x
    x = 14,401,343,467.52/124,290.38
  6. Step 6: Final answer
    x = 115,868.53

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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.