Home / 249,508.75-344,324.51-136,331.50

Finding the Fourth Proportional to 249,508.75, 344,324.51 and 136,331.50

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Solution

The fourth proportional to 249,508.75, 344,324.51 and 136,331.50 is: 188,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,508.75 : 344,324.51 = 136,331.50 : x
  2. Step 2: Convert to fraction form
    249,508.75/344,324.51 = 136,331.50/x
  3. Step 3: Cross multiply
    249,508.75x = 344,324.51 × 136,331.50
  4. Step 4: Simplify right side
    249,508.75x = 46,942,276,935.07
  5. Step 5: Solve for x
    x = 46,942,276,935.07/249,508.75
  6. Step 6: Final answer
    x = 188,138.80

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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.