Home / 109,113.30-150,576.60-61,366.80

Finding the Fourth Proportional to 109,113.30, 150,576.60 and 61,366.80

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Solution

The fourth proportional to 109,113.30, 150,576.60 and 61,366.80 is: 84,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.30 : 150,576.60 = 61,366.80 : x
  2. Step 2: Convert to fraction form
    109,113.30/150,576.60 = 61,366.80/x
  3. Step 3: Cross multiply
    109,113.30x = 150,576.60 × 61,366.80
  4. Step 4: Simplify right side
    109,113.30x = 9,240,404,096.88
  5. Step 5: Solve for x
    x = 9,240,404,096.88/109,113.30
  6. Step 6: Final answer
    x = 84,686.32

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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.