Home / 150,478.44-207,682.02-86,803.56

Finding the Fourth Proportional to 150,478.44, 207,682.02 and 86,803.56

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Solution

The fourth proportional to 150,478.44, 207,682.02 and 86,803.56 is: 119,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,478.44 : 207,682.02 = 86,803.56 : x
  2. Step 2: Convert to fraction form
    150,478.44/207,682.02 = 86,803.56/x
  3. Step 3: Cross multiply
    150,478.44x = 207,682.02 × 86,803.56
  4. Step 4: Simplify right side
    150,478.44x = 18,027,538,683.99
  5. Step 5: Solve for x
    x = 18,027,538,683.99/150,478.44
  6. Step 6: Final answer
    x = 119,801.47

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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.