Home / 118,736.76-163,857.02-64,289.48

Finding the Fourth Proportional to 118,736.76, 163,857.02 and 64,289.48

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Solution

The fourth proportional to 118,736.76, 163,857.02 and 64,289.48 is: 88,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,736.76 : 163,857.02 = 64,289.48 : x
  2. Step 2: Convert to fraction form
    118,736.76/163,857.02 = 64,289.48/x
  3. Step 3: Cross multiply
    118,736.76x = 163,857.02 × 64,289.48
  4. Step 4: Simplify right side
    118,736.76x = 10,534,282,610.15
  5. Step 5: Solve for x
    x = 10,534,282,610.15/118,736.76
  6. Step 6: Final answer
    x = 88,719.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.