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Finding the Fourth Proportional to 134,066.90, 201,100.35 and 86,827.70

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Solution

The fourth proportional to 134,066.90, 201,100.35 and 86,827.70 is: 130,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,066.90 : 201,100.35 = 86,827.70 : x
  2. Step 2: Convert to fraction form
    134,066.90/201,100.35 = 86,827.70/x
  3. Step 3: Cross multiply
    134,066.90x = 201,100.35 × 86,827.70
  4. Step 4: Simplify right side
    134,066.90x = 17,461,080,859.70
  5. Step 5: Solve for x
    x = 17,461,080,859.70/134,066.90
  6. Step 6: Final answer
    x = 130,241.55

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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.