Home / 147,853.20-204,037.23-79,870.15

Finding the Fourth Proportional to 147,853.20, 204,037.23 and 79,870.15

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Solution

The fourth proportional to 147,853.20, 204,037.23 and 79,870.15 is: 110,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.20 : 204,037.23 = 79,870.15 : x
  2. Step 2: Convert to fraction form
    147,853.20/204,037.23 = 79,870.15/x
  3. Step 3: Cross multiply
    147,853.20x = 204,037.23 × 79,870.15
  4. Step 4: Simplify right side
    147,853.20x = 16,296,484,165.68
  5. Step 5: Solve for x
    x = 16,296,484,165.68/147,853.20
  6. Step 6: Final answer
    x = 110,220.71

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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.