Home / 118,771.68-163,907.04-65,055.84

Finding the Fourth Proportional to 118,771.68, 163,907.04 and 65,055.84

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Solution

The fourth proportional to 118,771.68, 163,907.04 and 65,055.84 is: 89,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,771.68 : 163,907.04 = 65,055.84 : x
  2. Step 2: Convert to fraction form
    118,771.68/163,907.04 = 65,055.84/x
  3. Step 3: Cross multiply
    118,771.68x = 163,907.04 × 65,055.84
  4. Step 4: Simplify right side
    118,771.68x = 10,663,110,169.11
  5. Step 5: Solve for x
    x = 10,663,110,169.11/118,771.68
  6. Step 6: Final answer
    x = 89,778.22

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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.