Home / 439,693.02-659,587.32-140,103.18

Finding the Fourth Proportional to 439,693.02, 659,587.32 and 140,103.18

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Solution

The fourth proportional to 439,693.02, 659,587.32 and 140,103.18 is: 210,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,693.02 : 659,587.32 = 140,103.18 : x
  2. Step 2: Convert to fraction form
    439,693.02/659,587.32 = 140,103.18/x
  3. Step 3: Cross multiply
    439,693.02x = 659,587.32 × 140,103.18
  4. Step 4: Simplify right side
    439,693.02x = 92,410,281,019.68
  5. Step 5: Solve for x
    x = 92,410,281,019.68/439,693.02
  6. Step 6: Final answer
    x = 210,170.00

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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.