Home / 147,853.54-204,037.94-79,870.51

Finding the Fourth Proportional to 147,853.54, 204,037.94 and 79,870.51

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Solution

The fourth proportional to 147,853.54, 204,037.94 and 79,870.51 is: 110,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.54 : 204,037.94 = 79,870.51 : x
  2. Step 2: Convert to fraction form
    147,853.54/204,037.94 = 79,870.51/x
  3. Step 3: Cross multiply
    147,853.54x = 204,037.94 × 79,870.51
  4. Step 4: Simplify right side
    147,853.54x = 16,296,614,327.15
  5. Step 5: Solve for x
    x = 16,296,614,327.15/147,853.54
  6. Step 6: Final answer
    x = 110,221.33

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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.