Home / 147,943.86-204,105.15-94,219.26

Finding the Fourth Proportional to 147,943.86, 204,105.15 and 94,219.26

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Solution

The fourth proportional to 147,943.86, 204,105.15 and 94,219.26 is: 129,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.86 : 204,105.15 = 94,219.26 : x
  2. Step 2: Convert to fraction form
    147,943.86/204,105.15 = 94,219.26/x
  3. Step 3: Cross multiply
    147,943.86x = 204,105.15 × 94,219.26
  4. Step 4: Simplify right side
    147,943.86x = 19,230,636,195.19
  5. Step 5: Solve for x
    x = 19,230,636,195.19/147,943.86
  6. Step 6: Final answer
    x = 129,986.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.