Home / 249,896.68-344,865.70-136,719.48

Finding the Fourth Proportional to 249,896.68, 344,865.70 and 136,719.48

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Solution

The fourth proportional to 249,896.68, 344,865.70 and 136,719.48 is: 188,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,896.68 : 344,865.70 = 136,719.48 : x
  2. Step 2: Convert to fraction form
    249,896.68/344,865.70 = 136,719.48/x
  3. Step 3: Cross multiply
    249,896.68x = 344,865.70 × 136,719.48
  4. Step 4: Simplify right side
    249,896.68x = 47,149,859,173.84
  5. Step 5: Solve for x
    x = 47,149,859,173.84/249,896.68
  6. Step 6: Final answer
    x = 188,677.41

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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.