Home / 132,130.35-182,338.50-73,987.20

Finding the Fourth Proportional to 132,130.35, 182,338.50 and 73,987.20

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Solution

The fourth proportional to 132,130.35, 182,338.50 and 73,987.20 is: 102,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130.35 : 182,338.50 = 73,987.20 : x
  2. Step 2: Convert to fraction form
    132,130.35/182,338.50 = 73,987.20/x
  3. Step 3: Cross multiply
    132,130.35x = 182,338.50 × 73,987.20
  4. Step 4: Simplify right side
    132,130.35x = 13,490,715,067.20
  5. Step 5: Solve for x
    x = 13,490,715,067.20/132,130.35
  6. Step 6: Final answer
    x = 102,101.56

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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.