Home / 109,281.66-150,809.14-61,535.80

Finding the Fourth Proportional to 109,281.66, 150,809.14 and 61,535.80

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Solution

The fourth proportional to 109,281.66, 150,809.14 and 61,535.80 is: 84,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,281.66 : 150,809.14 = 61,535.80 : x
  2. Step 2: Convert to fraction form
    109,281.66/150,809.14 = 61,535.80/x
  3. Step 3: Cross multiply
    109,281.66x = 150,809.14 × 61,535.80
  4. Step 4: Simplify right side
    109,281.66x = 9,280,161,342.64
  5. Step 5: Solve for x
    x = 9,280,161,342.64/109,281.66
  6. Step 6: Final answer
    x = 84,919.66

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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.