Home / 223,974.80-309,073.56-139,090.04

Finding the Fourth Proportional to 223,974.80, 309,073.56 and 139,090.04

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Solution

The fourth proportional to 223,974.80, 309,073.56 and 139,090.04 is: 191,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,974.80 : 309,073.56 = 139,090.04 : x
  2. Step 2: Convert to fraction form
    223,974.80/309,073.56 = 139,090.04/x
  3. Step 3: Cross multiply
    223,974.80x = 309,073.56 × 139,090.04
  4. Step 4: Simplify right side
    223,974.80x = 42,989,053,823.34
  5. Step 5: Solve for x
    x = 42,989,053,823.34/223,974.80
  6. Step 6: Final answer
    x = 191,937.01

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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.