Home / 131,831.20-197,746.80-52,904.80

Finding the Fourth Proportional to 131,831.20, 197,746.80 and 52,904.80

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Solution

The fourth proportional to 131,831.20, 197,746.80 and 52,904.80 is: 79,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,831.20 : 197,746.80 = 52,904.80 : x
  2. Step 2: Convert to fraction form
    131,831.20/197,746.80 = 52,904.80/x
  3. Step 3: Cross multiply
    131,831.20x = 197,746.80 × 52,904.80
  4. Step 4: Simplify right side
    131,831.20x = 10,461,754,904.64
  5. Step 5: Solve for x
    x = 10,461,754,904.64/131,831.20
  6. Step 6: Final answer
    x = 79,357.20

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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.