Home / 249,521.50-344,348.18-136,351.54

Finding the Fourth Proportional to 249,521.50, 344,348.18 and 136,351.54

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Solution

The fourth proportional to 249,521.50, 344,348.18 and 136,351.54 is: 188,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,521.50 : 344,348.18 = 136,351.54 : x
  2. Step 2: Convert to fraction form
    249,521.50/344,348.18 = 136,351.54/x
  3. Step 3: Cross multiply
    249,521.50x = 344,348.18 × 136,351.54
  4. Step 4: Simplify right side
    249,521.50x = 46,952,404,639.20
  5. Step 5: Solve for x
    x = 46,952,404,639.20/249,521.50
  6. Step 6: Final answer
    x = 188,169.78

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1.5x scale

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.