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Finding the Fourth Proportional to 182,711.61, 252,145.71 and 101,040.03

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Solution

The fourth proportional to 182,711.61, 252,145.71 and 101,040.03 is: 139,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,711.61 : 252,145.71 = 101,040.03 : x
  2. Step 2: Convert to fraction form
    182,711.61/252,145.71 = 101,040.03/x
  3. Step 3: Cross multiply
    182,711.61x = 252,145.71 × 101,040.03
  4. Step 4: Simplify right side
    182,711.61x = 25,476,810,102.77
  5. Step 5: Solve for x
    x = 25,476,810,102.77/182,711.61
  6. Step 6: Final answer
    x = 139,437.28

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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.