Home / 128,048.22-192,095.10-43,817.76

Finding the Fourth Proportional to 128,048.22, 192,095.10 and 43,817.76

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Solution

The fourth proportional to 128,048.22, 192,095.10 and 43,817.76 is: 65,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,048.22 : 192,095.10 = 43,817.76 : x
  2. Step 2: Convert to fraction form
    128,048.22/192,095.10 = 43,817.76/x
  3. Step 3: Cross multiply
    128,048.22x = 192,095.10 × 43,817.76
  4. Step 4: Simplify right side
    128,048.22x = 8,417,176,988.98
  5. Step 5: Solve for x
    x = 8,417,176,988.98/128,048.22
  6. Step 6: Final answer
    x = 65,734.43

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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.