Home / 134,084.36-201,200.40-81,530.74

Finding the Fourth Proportional to 134,084.36, 201,200.40 and 81,530.74

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Solution

The fourth proportional to 134,084.36, 201,200.40 and 81,530.74 is: 122,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,084.36 : 201,200.40 = 81,530.74 : x
  2. Step 2: Convert to fraction form
    134,084.36/201,200.40 = 81,530.74/x
  3. Step 3: Cross multiply
    134,084.36x = 201,200.40 × 81,530.74
  4. Step 4: Simplify right side
    134,084.36x = 16,404,017,500.30
  5. Step 5: Solve for x
    x = 16,404,017,500.30/134,084.36
  6. Step 6: Final answer
    x = 122,341.02

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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.