Home / 120,772.40-181,158.60-113,883.35

Finding the Fourth Proportional to 120,772.40, 181,158.60 and 113,883.35

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Solution

The fourth proportional to 120,772.40, 181,158.60 and 113,883.35 is: 170,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772.40 : 181,158.60 = 113,883.35 : x
  2. Step 2: Convert to fraction form
    120,772.40/181,158.60 = 113,883.35/x
  3. Step 3: Cross multiply
    120,772.40x = 181,158.60 × 113,883.35
  4. Step 4: Simplify right side
    120,772.40x = 20,630,948,249.31
  5. Step 5: Solve for x
    x = 20,630,948,249.31/120,772.40
  6. Step 6: Final answer
    x = 170,825.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.