Home / 120,527.24-180,792.74-45,627.28

Finding the Fourth Proportional to 120,527.24, 180,792.74 and 45,627.28

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Solution

The fourth proportional to 120,527.24, 180,792.74 and 45,627.28 is: 68,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,527.24 : 180,792.74 = 45,627.28 : x
  2. Step 2: Convert to fraction form
    120,527.24/180,792.74 = 45,627.28/x
  3. Step 3: Cross multiply
    120,527.24x = 180,792.74 × 45,627.28
  4. Step 4: Simplify right side
    120,527.24x = 8,249,080,969.95
  5. Step 5: Solve for x
    x = 8,249,080,969.95/120,527.24
  6. Step 6: Final answer
    x = 68,441.63

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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.