Home / 109,180.54-150,672.08-61,435.58

Finding the Fourth Proportional to 109,180.54, 150,672.08 and 61,435.58

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Solution

The fourth proportional to 109,180.54, 150,672.08 and 61,435.58 is: 84,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.54 : 150,672.08 = 61,435.58 : x
  2. Step 2: Convert to fraction form
    109,180.54/150,672.08 = 61,435.58/x
  3. Step 3: Cross multiply
    109,180.54x = 150,672.08 × 61,435.58
  4. Step 4: Simplify right side
    109,180.54x = 9,256,626,624.61
  5. Step 5: Solve for x
    x = 9,256,626,624.61/109,180.54
  6. Step 6: Final answer
    x = 84,782.75

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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.