Home / 107,686-148,592.64-59,941.36

Finding the Fourth Proportional to 107,686, 148,592.64 and 59,941.36

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Solution

The fourth proportional to 107,686, 148,592.64 and 59,941.36 is: 82,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,686 : 148,592.64 = 59,941.36 : x
  2. Step 2: Convert to fraction form
    107,686/148,592.64 = 59,941.36/x
  3. Step 3: Cross multiply
    107,686x = 148,592.64 × 59,941.36
  4. Step 4: Simplify right side
    107,686x = 8,906,844,927.59
  5. Step 5: Solve for x
    x = 8,906,844,927.59/107,686
  6. Step 6: Final answer
    x = 82,711.26

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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.