Home / 124,105.36-171,265.80-67,516.72

Finding the Fourth Proportional to 124,105.36, 171,265.80 and 67,516.72

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Solution

The fourth proportional to 124,105.36, 171,265.80 and 67,516.72 is: 93,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,105.36 : 171,265.80 = 67,516.72 : x
  2. Step 2: Convert to fraction form
    124,105.36/171,265.80 = 67,516.72/x
  3. Step 3: Cross multiply
    124,105.36x = 171,265.80 × 67,516.72
  4. Step 4: Simplify right side
    124,105.36x = 11,563,305,064.18
  5. Step 5: Solve for x
    x = 11,563,305,064.18/124,105.36
  6. Step 6: Final answer
    x = 93,173.29

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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.