Home / 79,150.08-118,287.36-70,926.72

Finding the Fourth Proportional to 79,150.08, 118,287.36 and 70,926.72

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Solution

The fourth proportional to 79,150.08, 118,287.36 and 70,926.72 is: 105,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.08 : 118,287.36 = 70,926.72 : x
  2. Step 2: Convert to fraction form
    79,150.08/118,287.36 = 70,926.72/x
  3. Step 3: Cross multiply
    79,150.08x = 118,287.36 × 70,926.72
  4. Step 4: Simplify right side
    79,150.08x = 8,389,734,462.26
  5. Step 5: Solve for x
    x = 8,389,734,462.26/79,150.08
  6. Step 6: Final answer
    x = 105,997.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.