Home / 210,467.03-315,838.94-77,348.43

Finding the Fourth Proportional to 210,467.03, 315,838.94 and 77,348.43

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Solution

The fourth proportional to 210,467.03, 315,838.94 and 77,348.43 is: 116,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,467.03 : 315,838.94 = 77,348.43 : x
  2. Step 2: Convert to fraction form
    210,467.03/315,838.94 = 77,348.43/x
  3. Step 3: Cross multiply
    210,467.03x = 315,838.94 × 77,348.43
  4. Step 4: Simplify right side
    210,467.03x = 24,429,645,755.12
  5. Step 5: Solve for x
    x = 24,429,645,755.12/210,467.03
  6. Step 6: Final answer
    x = 116,073.51

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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.