Home / 171,012.04-256,569.90-82,240.36

Finding the Fourth Proportional to 171,012.04, 256,569.90 and 82,240.36

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Solution

The fourth proportional to 171,012.04, 256,569.90 and 82,240.36 is: 123,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,012.04 : 256,569.90 = 82,240.36 : x
  2. Step 2: Convert to fraction form
    171,012.04/256,569.90 = 82,240.36/x
  3. Step 3: Cross multiply
    171,012.04x = 256,569.90 × 82,240.36
  4. Step 4: Simplify right side
    171,012.04x = 21,100,400,941.16
  5. Step 5: Solve for x
    x = 21,100,400,941.16/171,012.04
  6. Step 6: Final answer
    x = 123,385.47

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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.