Home / 136,825.80-205,237.27-43,331.55

Finding the Fourth Proportional to 136,825.80, 205,237.27 and 43,331.55

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Solution

The fourth proportional to 136,825.80, 205,237.27 and 43,331.55 is: 64,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,825.80 : 205,237.27 = 43,331.55 : x
  2. Step 2: Convert to fraction form
    136,825.80/205,237.27 = 43,331.55/x
  3. Step 3: Cross multiply
    136,825.80x = 205,237.27 × 43,331.55
  4. Step 4: Simplify right side
    136,825.80x = 8,893,249,026.87
  5. Step 5: Solve for x
    x = 8,893,249,026.87/136,825.80
  6. Step 6: Final answer
    x = 64,996.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.