Home / 118,255.02-163,189.53-64,539.87

Finding the Fourth Proportional to 118,255.02, 163,189.53 and 64,539.87

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Solution

The fourth proportional to 118,255.02, 163,189.53 and 64,539.87 is: 89,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,255.02 : 163,189.53 = 64,539.87 : x
  2. Step 2: Convert to fraction form
    118,255.02/163,189.53 = 64,539.87/x
  3. Step 3: Cross multiply
    118,255.02x = 163,189.53 × 64,539.87
  4. Step 4: Simplify right side
    118,255.02x = 10,532,231,051.56
  5. Step 5: Solve for x
    x = 10,532,231,051.56/118,255.02
  6. Step 6: Final answer
    x = 89,063.71

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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.