Home / 124,143.75-171,321.08-67,555.17

Finding the Fourth Proportional to 124,143.75, 171,321.08 and 67,555.17

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Solution

The fourth proportional to 124,143.75, 171,321.08 and 67,555.17 is: 93,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.75 : 171,321.08 = 67,555.17 : x
  2. Step 2: Convert to fraction form
    124,143.75/171,321.08 = 67,555.17/x
  3. Step 3: Cross multiply
    124,143.75x = 171,321.08 × 67,555.17
  4. Step 4: Simplify right side
    124,143.75x = 11,573,624,346.21
  5. Step 5: Solve for x
    x = 11,573,624,346.21/124,143.75
  6. Step 6: Final answer
    x = 93,227.60

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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.