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Finding the Fourth Proportional to 124,383.42, 171,647.22 and 69,935.64

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Solution

The fourth proportional to 124,383.42, 171,647.22 and 69,935.64 is: 96,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,383.42 : 171,647.22 = 69,935.64 : x
  2. Step 2: Convert to fraction form
    124,383.42/171,647.22 = 69,935.64/x
  3. Step 3: Cross multiply
    124,383.42x = 171,647.22 × 69,935.64
  4. Step 4: Simplify right side
    124,383.42x = 12,004,258,089.57
  5. Step 5: Solve for x
    x = 12,004,258,089.57/124,383.42
  6. Step 6: Final answer
    x = 96,510.11

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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.