Home / 249,117.50-343,789.44-135,947.54

Finding the Fourth Proportional to 249,117.50, 343,789.44 and 135,947.54

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Solution

The fourth proportional to 249,117.50, 343,789.44 and 135,947.54 is: 187,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,117.50 : 343,789.44 = 135,947.54 : x
  2. Step 2: Convert to fraction form
    249,117.50/343,789.44 = 135,947.54/x
  3. Step 3: Cross multiply
    249,117.50x = 343,789.44 × 135,947.54
  4. Step 4: Simplify right side
    249,117.50x = 46,737,328,645.98
  5. Step 5: Solve for x
    x = 46,737,328,645.98/249,117.50
  6. Step 6: Final answer
    x = 187,611.58

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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.