Home / 210,126.09-315,191.28-60,366

Finding the Fourth Proportional to 210,126.09, 315,191.28 and 60,366

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Solution

The fourth proportional to 210,126.09, 315,191.28 and 60,366 is: 90,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,126.09 : 315,191.28 = 60,366 : x
  2. Step 2: Convert to fraction form
    210,126.09/315,191.28 = 60,366/x
  3. Step 3: Cross multiply
    210,126.09x = 315,191.28 × 60,366
  4. Step 4: Simplify right side
    210,126.09x = 19,026,836,808.48
  5. Step 5: Solve for x
    x = 19,026,836,808.48/210,126.09
  6. Step 6: Final answer
    x = 90,549.62

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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.