Home / 118,708.41-163,811.39-64,983.14

Finding the Fourth Proportional to 118,708.41, 163,811.39 and 64,983.14

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Solution

The fourth proportional to 118,708.41, 163,811.39 and 64,983.14 is: 89,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.41 : 163,811.39 = 64,983.14 : x
  2. Step 2: Convert to fraction form
    118,708.41/163,811.39 = 64,983.14/x
  3. Step 3: Cross multiply
    118,708.41x = 163,811.39 × 64,983.14
  4. Step 4: Simplify right side
    118,708.41x = 10,644,977,345.99
  5. Step 5: Solve for x
    x = 10,644,977,345.99/118,708.41
  6. Step 6: Final answer
    x = 89,673.32

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1.5x scale

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.