Home / 170,353.53-255,512.07-52,107.30

Finding the Fourth Proportional to 170,353.53, 255,512.07 and 52,107.30

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Solution

The fourth proportional to 170,353.53, 255,512.07 and 52,107.30 is: 78,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,353.53 : 255,512.07 = 52,107.30 : x
  2. Step 2: Convert to fraction form
    170,353.53/255,512.07 = 52,107.30/x
  3. Step 3: Cross multiply
    170,353.53x = 255,512.07 × 52,107.30
  4. Step 4: Simplify right side
    170,353.53x = 13,314,044,085.11
  5. Step 5: Solve for x
    x = 13,314,044,085.11/170,353.53
  6. Step 6: Final answer
    x = 78,155.38

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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.