Home / 109,207.91-150,711.77-61,464.35

Finding the Fourth Proportional to 109,207.91, 150,711.77 and 61,464.35

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Solution

The fourth proportional to 109,207.91, 150,711.77 and 61,464.35 is: 84,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.91 : 150,711.77 = 61,464.35 : x
  2. Step 2: Convert to fraction form
    109,207.91/150,711.77 = 61,464.35/x
  3. Step 3: Cross multiply
    109,207.91x = 150,711.77 × 61,464.35
  4. Step 4: Simplify right side
    109,207.91x = 9,263,400,673.08
  5. Step 5: Solve for x
    x = 9,263,400,673.08/109,207.91
  6. Step 6: Final answer
    x = 84,823.53

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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.