Home / 247,857.47-342,045.36-134,680.22

Finding the Fourth Proportional to 247,857.47, 342,045.36 and 134,680.22

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Solution

The fourth proportional to 247,857.47, 342,045.36 and 134,680.22 is: 185,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,857.47 : 342,045.36 = 134,680.22 : x
  2. Step 2: Convert to fraction form
    247,857.47/342,045.36 = 134,680.22/x
  3. Step 3: Cross multiply
    247,857.47x = 342,045.36 × 134,680.22
  4. Step 4: Simplify right side
    247,857.47x = 46,066,743,528.43
  5. Step 5: Solve for x
    x = 46,066,743,528.43/247,857.47
  6. Step 6: Final answer
    x = 185,859.82

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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.