Home / 170,916.18-256,124.79-120,969.15

Finding the Fourth Proportional to 170,916.18, 256,124.79 and 120,969.15

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Solution

The fourth proportional to 170,916.18, 256,124.79 and 120,969.15 is: 181,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,916.18 : 256,124.79 = 120,969.15 : x
  2. Step 2: Convert to fraction form
    170,916.18/256,124.79 = 120,969.15/x
  3. Step 3: Cross multiply
    170,916.18x = 256,124.79 × 120,969.15
  4. Step 4: Simplify right side
    170,916.18x = 30,983,198,140.23
  5. Step 5: Solve for x
    x = 30,983,198,140.23/170,916.18
  6. Step 6: Final answer
    x = 181,277.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.