Home / 210,127.09-315,192.78-60,367

Finding the Fourth Proportional to 210,127.09, 315,192.78 and 60,367

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Solution

The fourth proportional to 210,127.09, 315,192.78 and 60,367 is: 90,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127.09 : 315,192.78 = 60,367 : x
  2. Step 2: Convert to fraction form
    210,127.09/315,192.78 = 60,367/x
  3. Step 3: Cross multiply
    210,127.09x = 315,192.78 × 60,367
  4. Step 4: Simplify right side
    210,127.09x = 19,027,242,550.26
  5. Step 5: Solve for x
    x = 19,027,242,550.26/210,127.09
  6. Step 6: Final answer
    x = 90,551.12

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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.