Home / 202,190.85-303,325.15-77,522.13

Finding the Fourth Proportional to 202,190.85, 303,325.15 and 77,522.13

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Solution

The fourth proportional to 202,190.85, 303,325.15 and 77,522.13 is: 116,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,190.85 : 303,325.15 = 77,522.13 : x
  2. Step 2: Convert to fraction form
    202,190.85/303,325.15 = 77,522.13/x
  3. Step 3: Cross multiply
    202,190.85x = 303,325.15 × 77,522.13
  4. Step 4: Simplify right side
    202,190.85x = 23,514,411,710.57
  5. Step 5: Solve for x
    x = 23,514,411,710.57/202,190.85
  6. Step 6: Final answer
    x = 116,298.10

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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.