Home / 132,943.56-183,464.30-72,514.20

Finding the Fourth Proportional to 132,943.56, 183,464.30 and 72,514.20

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Solution

The fourth proportional to 132,943.56, 183,464.30 and 72,514.20 is: 100,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.56 : 183,464.30 = 72,514.20 : x
  2. Step 2: Convert to fraction form
    132,943.56/183,464.30 = 72,514.20/x
  3. Step 3: Cross multiply
    132,943.56x = 183,464.30 × 72,514.20
  4. Step 4: Simplify right side
    132,943.56x = 13,303,766,580.49
  5. Step 5: Solve for x
    x = 13,303,766,580.49/132,943.56
  6. Step 6: Final answer
    x = 100,070.79

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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.