Home / 128,094.42-192,141.21-34,600.20

Finding the Fourth Proportional to 128,094.42, 192,141.21 and 34,600.20

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Solution

The fourth proportional to 128,094.42, 192,141.21 and 34,600.20 is: 51,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,094.42 : 192,141.21 = 34,600.20 : x
  2. Step 2: Convert to fraction form
    128,094.42/192,141.21 = 34,600.20/x
  3. Step 3: Cross multiply
    128,094.42x = 192,141.21 × 34,600.20
  4. Step 4: Simplify right side
    128,094.42x = 6,648,124,294.24
  5. Step 5: Solve for x
    x = 6,648,124,294.24/128,094.42
  6. Step 6: Final answer
    x = 51,900.19

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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.