Home / 440,188.09-660,038.83-136,498.03

Finding the Fourth Proportional to 440,188.09, 660,038.83 and 136,498.03

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Solution

The fourth proportional to 440,188.09, 660,038.83 and 136,498.03 is: 204,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,188.09 : 660,038.83 = 136,498.03 : x
  2. Step 2: Convert to fraction form
    440,188.09/660,038.83 = 136,498.03/x
  3. Step 3: Cross multiply
    440,188.09x = 660,038.83 × 136,498.03
  4. Step 4: Simplify right side
    440,188.09x = 90,093,998,027.16
  5. Step 5: Solve for x
    x = 90,093,998,027.16/440,188.09
  6. Step 6: Final answer
    x = 204,671.60

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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.