Home / 247,979.17-342,214.67-134,804.35

Finding the Fourth Proportional to 247,979.17, 342,214.67 and 134,804.35

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Solution

The fourth proportional to 247,979.17, 342,214.67 and 134,804.35 is: 186,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,979.17 : 342,214.67 = 134,804.35 : x
  2. Step 2: Convert to fraction form
    247,979.17/342,214.67 = 134,804.35/x
  3. Step 3: Cross multiply
    247,979.17x = 342,214.67 × 134,804.35
  4. Step 4: Simplify right side
    247,979.17x = 46,132,026,149.81
  5. Step 5: Solve for x
    x = 46,132,026,149.81/247,979.17
  6. Step 6: Final answer
    x = 186,031.86

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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.