Home / 124,144.36-171,318.90-67,555.72

Finding the Fourth Proportional to 124,144.36, 171,318.90 and 67,555.72

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Solution

The fourth proportional to 124,144.36, 171,318.90 and 67,555.72 is: 93,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,144.36 : 171,318.90 = 67,555.72 : x
  2. Step 2: Convert to fraction form
    124,144.36/171,318.90 = 67,555.72/x
  3. Step 3: Cross multiply
    124,144.36x = 171,318.90 × 67,555.72
  4. Step 4: Simplify right side
    124,144.36x = 11,573,571,639.11
  5. Step 5: Solve for x
    x = 11,573,571,639.11/124,144.36
  6. Step 6: Final answer
    x = 93,226.72

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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.