Home / 118,712.93-163,823.86-64,997.96

Finding the Fourth Proportional to 118,712.93, 163,823.86 and 64,997.96

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Solution

The fourth proportional to 118,712.93, 163,823.86 and 64,997.96 is: 89,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,712.93 : 163,823.86 = 64,997.96 : x
  2. Step 2: Convert to fraction form
    118,712.93/163,823.86 = 64,997.96/x
  3. Step 3: Cross multiply
    118,712.93x = 163,823.86 × 64,997.96
  4. Step 4: Simplify right side
    118,712.93x = 10,648,216,699.33
  5. Step 5: Solve for x
    x = 10,648,216,699.33/118,712.93
  6. Step 6: Final answer
    x = 89,697.19

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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.