Home / 216,942.60-299,397.39-125,076.83

Finding the Fourth Proportional to 216,942.60, 299,397.39 and 125,076.83

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Solution

The fourth proportional to 216,942.60, 299,397.39 and 125,076.83 is: 172,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,942.60 : 299,397.39 = 125,076.83 : x
  2. Step 2: Convert to fraction form
    216,942.60/299,397.39 = 125,076.83/x
  3. Step 3: Cross multiply
    216,942.60x = 299,397.39 × 125,076.83
  4. Step 4: Simplify right side
    216,942.60x = 37,447,675,189.01
  5. Step 5: Solve for x
    x = 37,447,675,189.01/216,942.60
  6. Step 6: Final answer
    x = 172,615.59

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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.