Home / 112,627.32-168,940.84-51,831.47

Finding the Fourth Proportional to 112,627.32, 168,940.84 and 51,831.47

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Solution

The fourth proportional to 112,627.32, 168,940.84 and 51,831.47 is: 77,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627.32 : 168,940.84 = 51,831.47 : x
  2. Step 2: Convert to fraction form
    112,627.32/168,940.84 = 51,831.47/x
  3. Step 3: Cross multiply
    112,627.32x = 168,940.84 × 51,831.47
  4. Step 4: Simplify right side
    112,627.32x = 8,756,452,080.23
  5. Step 5: Solve for x
    x = 8,756,452,080.23/112,627.32
  6. Step 6: Final answer
    x = 77,747.14

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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.