Home / 102,002.20-153,003.30-92,816.80

Finding the Fourth Proportional to 102,002.20, 153,003.30 and 92,816.80

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Solution

The fourth proportional to 102,002.20, 153,003.30 and 92,816.80 is: 139,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.20 : 153,003.30 = 92,816.80 : x
  2. Step 2: Convert to fraction form
    102,002.20/153,003.30 = 92,816.80/x
  3. Step 3: Cross multiply
    102,002.20x = 153,003.30 × 92,816.80
  4. Step 4: Simplify right side
    102,002.20x = 14,201,276,695.44
  5. Step 5: Solve for x
    x = 14,201,276,695.44/102,002.20
  6. Step 6: Final answer
    x = 139,225.20

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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.