Home / 439,664.40-659,604.60-124,117.20

Finding the Fourth Proportional to 439,664.40, 659,604.60 and 124,117.20

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Solution

The fourth proportional to 439,664.40, 659,604.60 and 124,117.20 is: 186,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,664.40 : 659,604.60 = 124,117.20 : x
  2. Step 2: Convert to fraction form
    439,664.40/659,604.60 = 124,117.20/x
  3. Step 3: Cross multiply
    439,664.40x = 659,604.60 × 124,117.20
  4. Step 4: Simplify right side
    439,664.40x = 81,868,276,059.12
  5. Step 5: Solve for x
    x = 81,868,276,059.12/439,664.40
  6. Step 6: Final answer
    x = 186,206.29

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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.