Home / 249,809.40-344,745.18-136,632.15

Finding the Fourth Proportional to 249,809.40, 344,745.18 and 136,632.15

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Solution

The fourth proportional to 249,809.40, 344,745.18 and 136,632.15 is: 188,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,809.40 : 344,745.18 = 136,632.15 : x
  2. Step 2: Convert to fraction form
    249,809.40/344,745.18 = 136,632.15/x
  3. Step 3: Cross multiply
    249,809.40x = 344,745.18 × 136,632.15
  4. Step 4: Simplify right side
    249,809.40x = 47,103,275,145.54
  5. Step 5: Solve for x
    x = 47,103,275,145.54/249,809.40
  6. Step 6: Final answer
    x = 188,556.86

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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.