Home / 175,221.20-262,831.80-70,115.60

Finding the Fourth Proportional to 175,221.20, 262,831.80 and 70,115.60

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Solution

The fourth proportional to 175,221.20, 262,831.80 and 70,115.60 is: 105,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,221.20 : 262,831.80 = 70,115.60 : x
  2. Step 2: Convert to fraction form
    175,221.20/262,831.80 = 70,115.60/x
  3. Step 3: Cross multiply
    175,221.20x = 262,831.80 × 70,115.60
  4. Step 4: Simplify right side
    175,221.20x = 18,428,609,356.08
  5. Step 5: Solve for x
    x = 18,428,609,356.08/175,221.20
  6. Step 6: Final answer
    x = 105,173.40

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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.