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Finding the Fourth Proportional to 128,097.99, 192,146.55 and 34,603.74

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Solution

The fourth proportional to 128,097.99, 192,146.55 and 34,603.74 is: 51,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,097.99 : 192,146.55 = 34,603.74 : x
  2. Step 2: Convert to fraction form
    128,097.99/192,146.55 = 34,603.74/x
  3. Step 3: Cross multiply
    128,097.99x = 192,146.55 × 34,603.74
  4. Step 4: Simplify right side
    128,097.99x = 6,648,989,258.10
  5. Step 5: Solve for x
    x = 6,648,989,258.10/128,097.99
  6. Step 6: Final answer
    x = 51,905.49

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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.