Home / 249,015.06-343,640.38-135,837.82

Finding the Fourth Proportional to 249,015.06, 343,640.38 and 135,837.82

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Solution

The fourth proportional to 249,015.06, 343,640.38 and 135,837.82 is: 187,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,015.06 : 343,640.38 = 135,837.82 : x
  2. Step 2: Convert to fraction form
    249,015.06/343,640.38 = 135,837.82/x
  3. Step 3: Cross multiply
    249,015.06x = 343,640.38 × 135,837.82
  4. Step 4: Simplify right side
    249,015.06x = 46,679,360,083.17
  5. Step 5: Solve for x
    x = 46,679,360,083.17/249,015.06
  6. Step 6: Final answer
    x = 187,455.97

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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.