Home / 249,352.78-344,108.10-136,175.54

Finding the Fourth Proportional to 249,352.78, 344,108.10 and 136,175.54

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Solution

The fourth proportional to 249,352.78, 344,108.10 and 136,175.54 is: 187,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,352.78 : 344,108.10 = 136,175.54 : x
  2. Step 2: Convert to fraction form
    249,352.78/344,108.10 = 136,175.54/x
  3. Step 3: Cross multiply
    249,352.78x = 344,108.10 × 136,175.54
  4. Step 4: Simplify right side
    249,352.78x = 46,859,106,335.87
  5. Step 5: Solve for x
    x = 46,859,106,335.87/249,352.78
  6. Step 6: Final answer
    x = 187,922.94

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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.