Home / 110,877.32-166,322.66-75,323.58

Finding the Fourth Proportional to 110,877.32, 166,322.66 and 75,323.58

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Solution

The fourth proportional to 110,877.32, 166,322.66 and 75,323.58 is: 112,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,877.32 : 166,322.66 = 75,323.58 : x
  2. Step 2: Convert to fraction form
    110,877.32/166,322.66 = 75,323.58/x
  3. Step 3: Cross multiply
    110,877.32x = 166,322.66 × 75,323.58
  4. Step 4: Simplify right side
    110,877.32x = 12,528,017,809.70
  5. Step 5: Solve for x
    x = 12,528,017,809.70/110,877.32
  6. Step 6: Final answer
    x = 112,989.91

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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.