Home / 120,361.04-180,423.72-50,260.40

Finding the Fourth Proportional to 120,361.04, 180,423.72 and 50,260.40

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Solution

The fourth proportional to 120,361.04, 180,423.72 and 50,260.40 is: 75,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361.04 : 180,423.72 = 50,260.40 : x
  2. Step 2: Convert to fraction form
    120,361.04/180,423.72 = 50,260.40/x
  3. Step 3: Cross multiply
    120,361.04x = 180,423.72 × 50,260.40
  4. Step 4: Simplify right side
    120,361.04x = 9,068,168,336.69
  5. Step 5: Solve for x
    x = 9,068,168,336.69/120,361.04
  6. Step 6: Final answer
    x = 75,341.39

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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.