Home / 249,388.25-344,157.61-136,211

Finding the Fourth Proportional to 249,388.25, 344,157.61 and 136,211

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Solution

The fourth proportional to 249,388.25, 344,157.61 and 136,211 is: 187,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,388.25 : 344,157.61 = 136,211 : x
  2. Step 2: Convert to fraction form
    249,388.25/344,157.61 = 136,211/x
  3. Step 3: Cross multiply
    249,388.25x = 344,157.61 × 136,211
  4. Step 4: Simplify right side
    249,388.25x = 46,878,052,215.71
  5. Step 5: Solve for x
    x = 46,878,052,215.71/249,388.25
  6. Step 6: Final answer
    x = 187,972.18

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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.