Home / 102,334.38-153,218.16-52,306.80

Finding the Fourth Proportional to 102,334.38, 153,218.16 and 52,306.80

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Solution

The fourth proportional to 102,334.38, 153,218.16 and 52,306.80 is: 78,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.38 : 153,218.16 = 52,306.80 : x
  2. Step 2: Convert to fraction form
    102,334.38/153,218.16 = 52,306.80/x
  3. Step 3: Cross multiply
    102,334.38x = 153,218.16 × 52,306.80
  4. Step 4: Simplify right side
    102,334.38x = 8,014,351,651.49
  5. Step 5: Solve for x
    x = 8,014,351,651.49/102,334.38
  6. Step 6: Final answer
    x = 78,315.34

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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.