Home / 202,013.08-303,206.57-102,243.35

Finding the Fourth Proportional to 202,013.08, 303,206.57 and 102,243.35

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Solution

The fourth proportional to 202,013.08, 303,206.57 and 102,243.35 is: 153,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,013.08 : 303,206.57 = 102,243.35 : x
  2. Step 2: Convert to fraction form
    202,013.08/303,206.57 = 102,243.35/x
  3. Step 3: Cross multiply
    202,013.08x = 303,206.57 × 102,243.35
  4. Step 4: Simplify right side
    202,013.08x = 31,000,855,458.81
  5. Step 5: Solve for x
    x = 31,000,855,458.81/202,013.08
  6. Step 6: Final answer
    x = 153,459.64

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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.