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Finding the Fourth Proportional to 134,657.60, 201,674.55 and 67,066.52

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Solution

The fourth proportional to 134,657.60, 201,674.55 and 67,066.52 is: 100,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,657.60 : 201,674.55 = 67,066.52 : x
  2. Step 2: Convert to fraction form
    134,657.60/201,674.55 = 67,066.52/x
  3. Step 3: Cross multiply
    134,657.60x = 201,674.55 × 67,066.52
  4. Step 4: Simplify right side
    134,657.60x = 13,525,610,241.07
  5. Step 5: Solve for x
    x = 13,525,610,241.07/134,657.60
  6. Step 6: Final answer
    x = 100,444.46

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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.