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Finding the Fourth Proportional to 145,175.84, 200,364.36 and 88,620.08

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Solution

The fourth proportional to 145,175.84, 200,364.36 and 88,620.08 is: 122,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175.84 : 200,364.36 = 88,620.08 : x
  2. Step 2: Convert to fraction form
    145,175.84/200,364.36 = 88,620.08/x
  3. Step 3: Cross multiply
    145,175.84x = 200,364.36 × 88,620.08
  4. Step 4: Simplify right side
    145,175.84x = 17,756,305,612.35
  5. Step 5: Solve for x
    x = 17,756,305,612.35/145,175.84
  6. Step 6: Final answer
    x = 122,308.96

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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.