Home / 118,186.08-163,099.86-64,472

Finding the Fourth Proportional to 118,186.08, 163,099.86 and 64,472

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Solution

The fourth proportional to 118,186.08, 163,099.86 and 64,472 is: 88,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.08 : 163,099.86 = 64,472 : x
  2. Step 2: Convert to fraction form
    118,186.08/163,099.86 = 64,472/x
  3. Step 3: Cross multiply
    118,186.08x = 163,099.86 × 64,472
  4. Step 4: Simplify right side
    118,186.08x = 10,515,374,173.92
  5. Step 5: Solve for x
    x = 10,515,374,173.92/118,186.08
  6. Step 6: Final answer
    x = 88,973.03

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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.