Home / 202,245.10-303,367.65-102,712.30

Finding the Fourth Proportional to 202,245.10, 303,367.65 and 102,712.30

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Solution

The fourth proportional to 202,245.10, 303,367.65 and 102,712.30 is: 154,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,245.10 : 303,367.65 = 102,712.30 : x
  2. Step 2: Convert to fraction form
    202,245.10/303,367.65 = 102,712.30/x
  3. Step 3: Cross multiply
    202,245.10x = 303,367.65 × 102,712.30
  4. Step 4: Simplify right side
    202,245.10x = 31,159,589,077.10
  5. Step 5: Solve for x
    x = 31,159,589,077.10/202,245.10
  6. Step 6: Final answer
    x = 154,068.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.