Home / 170,219.61-234,683.49-139,478.39

Finding the Fourth Proportional to 170,219.61, 234,683.49 and 139,478.39

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Solution

The fourth proportional to 170,219.61, 234,683.49 and 139,478.39 is: 192,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,219.61 : 234,683.49 = 139,478.39 : x
  2. Step 2: Convert to fraction form
    170,219.61/234,683.49 = 139,478.39/x
  3. Step 3: Cross multiply
    170,219.61x = 234,683.49 × 139,478.39
  4. Step 4: Simplify right side
    170,219.61x = 32,733,275,344.78
  5. Step 5: Solve for x
    x = 32,733,275,344.78/170,219.61
  6. Step 6: Final answer
    x = 192,300.26

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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.