Home / 247,559.79-341,640.65-140,127.51

Finding the Fourth Proportional to 247,559.79, 341,640.65 and 140,127.51

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Solution

The fourth proportional to 247,559.79, 341,640.65 and 140,127.51 is: 193,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,559.79 : 341,640.65 = 140,127.51 : x
  2. Step 2: Convert to fraction form
    247,559.79/341,640.65 = 140,127.51/x
  3. Step 3: Cross multiply
    247,559.79x = 341,640.65 × 140,127.51
  4. Step 4: Simplify right side
    247,559.79x = 47,873,252,898.64
  5. Step 5: Solve for x
    x = 47,873,252,898.64/247,559.79
  6. Step 6: Final answer
    x = 193,380.57

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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.