Home / 170,176.50-255,350.88-70,408.29

Finding the Fourth Proportional to 170,176.50, 255,350.88 and 70,408.29

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Solution

The fourth proportional to 170,176.50, 255,350.88 and 70,408.29 is: 105,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,176.50 : 255,350.88 = 70,408.29 : x
  2. Step 2: Convert to fraction form
    170,176.50/255,350.88 = 70,408.29/x
  3. Step 3: Cross multiply
    170,176.50x = 255,350.88 × 70,408.29
  4. Step 4: Simplify right side
    170,176.50x = 17,978,818,810.80
  5. Step 5: Solve for x
    x = 17,978,818,810.80/170,176.50
  6. Step 6: Final answer
    x = 105,648.07

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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.