Home / 254,409.31-351,091.53-139,695.35

Finding the Fourth Proportional to 254,409.31, 351,091.53 and 139,695.35

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Solution

The fourth proportional to 254,409.31, 351,091.53 and 139,695.35 is: 192,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,409.31 : 351,091.53 = 139,695.35 : x
  2. Step 2: Convert to fraction form
    254,409.31/351,091.53 = 139,695.35/x
  3. Step 3: Cross multiply
    254,409.31x = 351,091.53 × 139,695.35
  4. Step 4: Simplify right side
    254,409.31x = 49,045,852,314.31
  5. Step 5: Solve for x
    x = 49,045,852,314.31/254,409.31
  6. Step 6: Final answer
    x = 192,783.25

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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.