Home / 128,521.32-192,777.17-33,750.64

Finding the Fourth Proportional to 128,521.32, 192,777.17 and 33,750.64

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Solution

The fourth proportional to 128,521.32, 192,777.17 and 33,750.64 is: 50,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,521.32 : 192,777.17 = 33,750.64 : x
  2. Step 2: Convert to fraction form
    128,521.32/192,777.17 = 33,750.64/x
  3. Step 3: Cross multiply
    128,521.32x = 192,777.17 × 33,750.64
  4. Step 4: Simplify right side
    128,521.32x = 6,506,352,864.89
  5. Step 5: Solve for x
    x = 6,506,352,864.89/128,521.32
  6. Step 6: Final answer
    x = 50,624.70

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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.