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Finding the Fourth Proportional to 134,205, 201,308.72 and 40,710.75

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Solution

The fourth proportional to 134,205, 201,308.72 and 40,710.75 is: 61,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,205 : 201,308.72 = 40,710.75 : x
  2. Step 2: Convert to fraction form
    134,205/201,308.72 = 40,710.75/x
  3. Step 3: Cross multiply
    134,205x = 201,308.72 × 40,710.75
  4. Step 4: Simplify right side
    134,205x = 8,195,428,972.74
  5. Step 5: Solve for x
    x = 8,195,428,972.74/134,205
  6. Step 6: Final answer
    x = 61,066.50

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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.