Home / 79,150.40-118,725.60-52,668.80

Finding the Fourth Proportional to 79,150.40, 118,725.60 and 52,668.80

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Solution

The fourth proportional to 79,150.40, 118,725.60 and 52,668.80 is: 79,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.40 : 118,725.60 = 52,668.80 : x
  2. Step 2: Convert to fraction form
    79,150.40/118,725.60 = 52,668.80/x
  3. Step 3: Cross multiply
    79,150.40x = 118,725.60 × 52,668.80
  4. Step 4: Simplify right side
    79,150.40x = 6,253,134,881.28
  5. Step 5: Solve for x
    x = 6,253,134,881.28/79,150.40
  6. Step 6: Final answer
    x = 79,003.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.