Home / 254,827.79-351,666.25-140,111.40

Finding the Fourth Proportional to 254,827.79, 351,666.25 and 140,111.40

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Solution

The fourth proportional to 254,827.79, 351,666.25 and 140,111.40 is: 193,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,827.79 : 351,666.25 = 140,111.40 : x
  2. Step 2: Convert to fraction form
    254,827.79/351,666.25 = 140,111.40/x
  3. Step 3: Cross multiply
    254,827.79x = 351,666.25 × 140,111.40
  4. Step 4: Simplify right side
    254,827.79x = 49,272,450,620.25
  5. Step 5: Solve for x
    x = 49,272,450,620.25/254,827.79
  6. Step 6: Final answer
    x = 193,355.88

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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.