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Finding the Fourth Proportional to 145,282, 200,443.08 and 88,665.04

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Solution

The fourth proportional to 145,282, 200,443.08 and 88,665.04 is: 122,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,282 : 200,443.08 = 88,665.04 : x
  2. Step 2: Convert to fraction form
    145,282/200,443.08 = 88,665.04/x
  3. Step 3: Cross multiply
    145,282x = 200,443.08 × 88,665.04
  4. Step 4: Simplify right side
    145,282x = 17,772,293,705.92
  5. Step 5: Solve for x
    x = 17,772,293,705.92/145,282
  6. Step 6: Final answer
    x = 122,329.63

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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.