Home / 124,008.73-171,131.20-67,420.11

Finding the Fourth Proportional to 124,008.73, 171,131.20 and 67,420.11

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Solution

The fourth proportional to 124,008.73, 171,131.20 and 67,420.11 is: 93,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,008.73 : 171,131.20 = 67,420.11 : x
  2. Step 2: Convert to fraction form
    124,008.73/171,131.20 = 67,420.11/x
  3. Step 3: Cross multiply
    124,008.73x = 171,131.20 × 67,420.11
  4. Step 4: Simplify right side
    124,008.73x = 11,537,684,328.43
  5. Step 5: Solve for x
    x = 11,537,684,328.43/124,008.73
  6. Step 6: Final answer
    x = 93,039.29

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1.5x scale

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.