Home / 249,388.25-344,155.79-136,211.27

Finding the Fourth Proportional to 249,388.25, 344,155.79 and 136,211.27

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Solution

The fourth proportional to 249,388.25, 344,155.79 and 136,211.27 is: 187,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,388.25 : 344,155.79 = 136,211.27 : x
  2. Step 2: Convert to fraction form
    249,388.25/344,155.79 = 136,211.27/x
  3. Step 3: Cross multiply
    249,388.25x = 344,155.79 × 136,211.27
  4. Step 4: Simplify right side
    249,388.25x = 46,877,896,552.70
  5. Step 5: Solve for x
    x = 46,877,896,552.70/249,388.25
  6. Step 6: Final answer
    x = 187,971.55

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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.