Home / 120,559.17-180,814.05-45,653.49

Finding the Fourth Proportional to 120,559.17, 180,814.05 and 45,653.49

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Solution

The fourth proportional to 120,559.17, 180,814.05 and 45,653.49 is: 68,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,559.17 : 180,814.05 = 45,653.49 : x
  2. Step 2: Convert to fraction form
    120,559.17/180,814.05 = 45,653.49/x
  3. Step 3: Cross multiply
    120,559.17x = 180,814.05 × 45,653.49
  4. Step 4: Simplify right side
    120,559.17x = 8,254,792,423.53
  5. Step 5: Solve for x
    x = 8,254,792,423.53/120,559.17
  6. Step 6: Final answer
    x = 68,470.88

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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.