Home / 132,561.28-183,002.32-102,278.56

Finding the Fourth Proportional to 132,561.28, 183,002.32 and 102,278.56

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Solution

The fourth proportional to 132,561.28, 183,002.32 and 102,278.56 is: 141,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,561.28 : 183,002.32 = 102,278.56 : x
  2. Step 2: Convert to fraction form
    132,561.28/183,002.32 = 102,278.56/x
  3. Step 3: Cross multiply
    132,561.28x = 183,002.32 × 102,278.56
  4. Step 4: Simplify right side
    132,561.28x = 18,717,213,766.26
  5. Step 5: Solve for x
    x = 18,717,213,766.26/132,561.28
  6. Step 6: Final answer
    x = 141,196.69

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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.