Home / 174,669.30-261,831.15-85,850.10

Finding the Fourth Proportional to 174,669.30, 261,831.15 and 85,850.10

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Solution

The fourth proportional to 174,669.30, 261,831.15 and 85,850.10 is: 128,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,669.30 : 261,831.15 = 85,850.10 : x
  2. Step 2: Convert to fraction form
    174,669.30/261,831.15 = 85,850.10/x
  3. Step 3: Cross multiply
    174,669.30x = 261,831.15 × 85,850.10
  4. Step 4: Simplify right side
    174,669.30x = 22,478,230,410.62
  5. Step 5: Solve for x
    x = 22,478,230,410.62/174,669.30
  6. Step 6: Final answer
    x = 128,690.22

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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.