Home / 110,340.42-165,293.53-72,785.76

Finding the Fourth Proportional to 110,340.42, 165,293.53 and 72,785.76

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Solution

The fourth proportional to 110,340.42, 165,293.53 and 72,785.76 is: 109,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,340.42 : 165,293.53 = 72,785.76 : x
  2. Step 2: Convert to fraction form
    110,340.42/165,293.53 = 72,785.76/x
  3. Step 3: Cross multiply
    110,340.42x = 165,293.53 × 72,785.76
  4. Step 4: Simplify right side
    110,340.42x = 12,031,014,840.20
  5. Step 5: Solve for x
    x = 12,031,014,840.20/110,340.42
  6. Step 6: Final answer
    x = 109,035.43

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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.