Home / 150,340.96-207,419.02-85,763.80

Finding the Fourth Proportional to 150,340.96, 207,419.02 and 85,763.80

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Solution

The fourth proportional to 150,340.96, 207,419.02 and 85,763.80 is: 118,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,340.96 : 207,419.02 = 85,763.80 : x
  2. Step 2: Convert to fraction form
    150,340.96/207,419.02 = 85,763.80/x
  3. Step 3: Cross multiply
    150,340.96x = 207,419.02 × 85,763.80
  4. Step 4: Simplify right side
    150,340.96x = 17,789,043,347.48
  5. Step 5: Solve for x
    x = 17,789,043,347.48/150,340.96
  6. Step 6: Final answer
    x = 118,324.66

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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.