Home / 124,520.47-171,837.87-67,931.44

Finding the Fourth Proportional to 124,520.47, 171,837.87 and 67,931.44

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Solution

The fourth proportional to 124,520.47, 171,837.87 and 67,931.44 is: 93,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520.47 : 171,837.87 = 67,931.44 : x
  2. Step 2: Convert to fraction form
    124,520.47/171,837.87 = 67,931.44/x
  3. Step 3: Cross multiply
    124,520.47x = 171,837.87 × 67,931.44
  4. Step 4: Simplify right side
    124,520.47x = 11,673,193,271.30
  5. Step 5: Solve for x
    x = 11,673,193,271.30/124,520.47
  6. Step 6: Final answer
    x = 93,745.18

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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.