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Finding the Fourth Proportional to 134,101.10, 201,151.65 and 71,893.10

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Solution

The fourth proportional to 134,101.10, 201,151.65 and 71,893.10 is: 107,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,101.10 : 201,151.65 = 71,893.10 : x
  2. Step 2: Convert to fraction form
    134,101.10/201,151.65 = 71,893.10/x
  3. Step 3: Cross multiply
    134,101.10x = 201,151.65 × 71,893.10
  4. Step 4: Simplify right side
    134,101.10x = 14,461,415,688.62
  5. Step 5: Solve for x
    x = 14,461,415,688.62/134,101.10
  6. Step 6: Final answer
    x = 107,839.65

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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.