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Finding the Fourth Proportional to 101,083.80, 151,625.70 and 91,242.30

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Solution

The fourth proportional to 101,083.80, 151,625.70 and 91,242.30 is: 136,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,083.80 : 151,625.70 = 91,242.30 : x
  2. Step 2: Convert to fraction form
    101,083.80/151,625.70 = 91,242.30/x
  3. Step 3: Cross multiply
    101,083.80x = 151,625.70 × 91,242.30
  4. Step 4: Simplify right side
    101,083.80x = 13,834,677,607.11
  5. Step 5: Solve for x
    x = 13,834,677,607.11/101,083.80
  6. Step 6: Final answer
    x = 136,863.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.