Home / 150,214.31-207,318.51-85,683.23

Finding the Fourth Proportional to 150,214.31, 207,318.51 and 85,683.23

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Solution

The fourth proportional to 150,214.31, 207,318.51 and 85,683.23 is: 118,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,214.31 : 207,318.51 = 85,683.23 : x
  2. Step 2: Convert to fraction form
    150,214.31/207,318.51 = 85,683.23/x
  3. Step 3: Cross multiply
    150,214.31x = 207,318.51 × 85,683.23
  4. Step 4: Simplify right side
    150,214.31x = 17,763,718,538.99
  5. Step 5: Solve for x
    x = 17,763,718,538.99/150,214.31
  6. Step 6: Final answer
    x = 118,255.84

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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.