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Finding the Fourth Proportional to 175,513.62, 242,188.02 and 99,028.26

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Solution

The fourth proportional to 175,513.62, 242,188.02 and 99,028.26 is: 136,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513.62 : 242,188.02 = 99,028.26 : x
  2. Step 2: Convert to fraction form
    175,513.62/242,188.02 = 99,028.26/x
  3. Step 3: Cross multiply
    175,513.62x = 242,188.02 × 99,028.26
  4. Step 4: Simplify right side
    175,513.62x = 23,983,458,213.45
  5. Step 5: Solve for x
    x = 23,983,458,213.45/175,513.62
  6. Step 6: Final answer
    x = 136,647.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.