Home / 120,272.96-180,352.56-36,000.64

Finding the Fourth Proportional to 120,272.96, 180,352.56 and 36,000.64

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Solution

The fourth proportional to 120,272.96, 180,352.56 and 36,000.64 is: 53,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272.96 : 180,352.56 = 36,000.64 : x
  2. Step 2: Convert to fraction form
    120,272.96/180,352.56 = 36,000.64/x
  3. Step 3: Cross multiply
    120,272.96x = 180,352.56 × 36,000.64
  4. Step 4: Simplify right side
    120,272.96x = 6,492,807,585.64
  5. Step 5: Solve for x
    x = 6,492,807,585.64/120,272.96
  6. Step 6: Final answer
    x = 53,983.93

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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.