Home / 73,148.32-109,711.26-23,221.94

Finding the Fourth Proportional to 73,148.32, 109,711.26 and 23,221.94

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Solution

The fourth proportional to 73,148.32, 109,711.26 and 23,221.94 is: 34,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.32 : 109,711.26 = 23,221.94 : x
  2. Step 2: Convert to fraction form
    73,148.32/109,711.26 = 23,221.94/x
  3. Step 3: Cross multiply
    73,148.32x = 109,711.26 × 23,221.94
  4. Step 4: Simplify right side
    73,148.32x = 2,547,708,297.04
  5. Step 5: Solve for x
    x = 2,547,708,297.04/73,148.32
  6. Step 6: Final answer
    x = 34,829.35

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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.