Home / 118,173.27-163,079.61-64,459.44

Finding the Fourth Proportional to 118,173.27, 163,079.61 and 64,459.44

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Solution

The fourth proportional to 118,173.27, 163,079.61 and 64,459.44 is: 88,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173.27 : 163,079.61 = 64,459.44 : x
  2. Step 2: Convert to fraction form
    118,173.27/163,079.61 = 64,459.44/x
  3. Step 3: Cross multiply
    118,173.27x = 163,079.61 × 64,459.44
  4. Step 4: Simplify right side
    118,173.27x = 10,512,020,336.02
  5. Step 5: Solve for x
    x = 10,512,020,336.02/118,173.27
  6. Step 6: Final answer
    x = 88,954.30

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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.