Home / 113,228.58-156,290.26-72,942.22

Finding the Fourth Proportional to 113,228.58, 156,290.26 and 72,942.22

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Solution

The fourth proportional to 113,228.58, 156,290.26 and 72,942.22 is: 100,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,228.58 : 156,290.26 = 72,942.22 : x
  2. Step 2: Convert to fraction form
    113,228.58/156,290.26 = 72,942.22/x
  3. Step 3: Cross multiply
    113,228.58x = 156,290.26 × 72,942.22
  4. Step 4: Simplify right side
    113,228.58x = 11,400,158,678.55
  5. Step 5: Solve for x
    x = 11,400,158,678.55/113,228.58
  6. Step 6: Final answer
    x = 100,682.69

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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.