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Finding the Fourth Proportional to 123,955.71, 171,058.43 and 70,250.90

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Solution

The fourth proportional to 123,955.71, 171,058.43 and 70,250.90 is: 96,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,955.71 : 171,058.43 = 70,250.90 : x
  2. Step 2: Convert to fraction form
    123,955.71/171,058.43 = 70,250.90/x
  3. Step 3: Cross multiply
    123,955.71x = 171,058.43 × 70,250.90
  4. Step 4: Simplify right side
    123,955.71x = 12,017,007,453.54
  5. Step 5: Solve for x
    x = 12,017,007,453.54/123,955.71
  6. Step 6: Final answer
    x = 96,945.98

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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.