Home / 144,289.50-199,118.90-80,627.30

Finding the Fourth Proportional to 144,289.50, 199,118.90 and 80,627.30

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Solution

The fourth proportional to 144,289.50, 199,118.90 and 80,627.30 is: 111,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,289.50 : 199,118.90 = 80,627.30 : x
  2. Step 2: Convert to fraction form
    144,289.50/199,118.90 = 80,627.30/x
  3. Step 3: Cross multiply
    144,289.50x = 199,118.90 × 80,627.30
  4. Step 4: Simplify right side
    144,289.50x = 16,054,417,887.24
  5. Step 5: Solve for x
    x = 16,054,417,887.24/144,289.50
  6. Step 6: Final answer
    x = 111,265.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.