Home / 118,241.75-163,177.07-64,530.21

Finding the Fourth Proportional to 118,241.75, 163,177.07 and 64,530.21

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Solution

The fourth proportional to 118,241.75, 163,177.07 and 64,530.21 is: 89,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,241.75 : 163,177.07 = 64,530.21 : x
  2. Step 2: Convert to fraction form
    118,241.75/163,177.07 = 64,530.21/x
  3. Step 3: Cross multiply
    118,241.75x = 163,177.07 × 64,530.21
  4. Step 4: Simplify right side
    118,241.75x = 10,529,850,271.63
  5. Step 5: Solve for x
    x = 10,529,850,271.63/118,241.75
  6. Step 6: Final answer
    x = 89,053.58

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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.