Home / 120,580.02-166,049.46-112,878.18

Finding the Fourth Proportional to 120,580.02, 166,049.46 and 112,878.18

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Solution

The fourth proportional to 120,580.02, 166,049.46 and 112,878.18 is: 155,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580.02 : 166,049.46 = 112,878.18 : x
  2. Step 2: Convert to fraction form
    120,580.02/166,049.46 = 112,878.18/x
  3. Step 3: Cross multiply
    120,580.02x = 166,049.46 × 112,878.18
  4. Step 4: Simplify right side
    120,580.02x = 18,743,360,834.78
  5. Step 5: Solve for x
    x = 18,743,360,834.78/120,580.02
  6. Step 6: Final answer
    x = 155,443.34

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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.