Home / 106,293.58-159,065.89-66,331.36

Finding the Fourth Proportional to 106,293.58, 159,065.89 and 66,331.36

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Solution

The fourth proportional to 106,293.58, 159,065.89 and 66,331.36 is: 99,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,293.58 : 159,065.89 = 66,331.36 : x
  2. Step 2: Convert to fraction form
    106,293.58/159,065.89 = 66,331.36/x
  3. Step 3: Cross multiply
    106,293.58x = 159,065.89 × 66,331.36
  4. Step 4: Simplify right side
    106,293.58x = 10,551,056,249.82
  5. Step 5: Solve for x
    x = 10,551,056,249.82/106,293.58
  6. Step 6: Final answer
    x = 99,263.35

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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.