Home / 109,071.40-150,514.68-61,327.48

Finding the Fourth Proportional to 109,071.40, 150,514.68 and 61,327.48

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Solution

The fourth proportional to 109,071.40, 150,514.68 and 61,327.48 is: 84,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,071.40 : 150,514.68 = 61,327.48 : x
  2. Step 2: Convert to fraction form
    109,071.40/150,514.68 = 61,327.48/x
  3. Step 3: Cross multiply
    109,071.40x = 150,514.68 × 61,327.48
  4. Step 4: Simplify right side
    109,071.40x = 9,230,686,027.41
  5. Step 5: Solve for x
    x = 9,230,686,027.41/109,071.40
  6. Step 6: Final answer
    x = 84,629.76

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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.