Home / 254,703.64-351,473.76-139,990.36

Finding the Fourth Proportional to 254,703.64, 351,473.76 and 139,990.36

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Solution

The fourth proportional to 254,703.64, 351,473.76 and 139,990.36 is: 193,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,703.64 : 351,473.76 = 139,990.36 : x
  2. Step 2: Convert to fraction form
    254,703.64/351,473.76 = 139,990.36/x
  3. Step 3: Cross multiply
    254,703.64x = 351,473.76 × 139,990.36
  4. Step 4: Simplify right side
    254,703.64x = 49,202,938,192.95
  5. Step 5: Solve for x
    x = 49,202,938,192.95/254,703.64
  6. Step 6: Final answer
    x = 193,177.21

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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.