Home / 128,946.84-193,371-50,050.84

Finding the Fourth Proportional to 128,946.84, 193,371 and 50,050.84

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Solution

The fourth proportional to 128,946.84, 193,371 and 50,050.84 is: 75,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,946.84 : 193,371 = 50,050.84 : x
  2. Step 2: Convert to fraction form
    128,946.84/193,371 = 50,050.84/x
  3. Step 3: Cross multiply
    128,946.84x = 193,371 × 50,050.84
  4. Step 4: Simplify right side
    128,946.84x = 9,678,380,981.64
  5. Step 5: Solve for x
    x = 9,678,380,981.64/128,946.84
  6. Step 6: Final answer
    x = 75,057.14

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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.