Home / 132,477.76-182,820.63-72,049.78

Finding the Fourth Proportional to 132,477.76, 182,820.63 and 72,049.78

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Solution

The fourth proportional to 132,477.76, 182,820.63 and 72,049.78 is: 99,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,477.76 : 182,820.63 = 72,049.78 : x
  2. Step 2: Convert to fraction form
    132,477.76/182,820.63 = 72,049.78/x
  3. Step 3: Cross multiply
    132,477.76x = 182,820.63 × 72,049.78
  4. Step 4: Simplify right side
    132,477.76x = 13,172,186,170.96
  5. Step 5: Solve for x
    x = 13,172,186,170.96/132,477.76
  6. Step 6: Final answer
    x = 99,429.41

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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.