Home / 134,845.60-202,268.40-87,606.40

Finding the Fourth Proportional to 134,845.60, 202,268.40 and 87,606.40

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Solution

The fourth proportional to 134,845.60, 202,268.40 and 87,606.40 is: 131,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,845.60 : 202,268.40 = 87,606.40 : x
  2. Step 2: Convert to fraction form
    134,845.60/202,268.40 = 87,606.40/x
  3. Step 3: Cross multiply
    134,845.60x = 202,268.40 × 87,606.40
  4. Step 4: Simplify right side
    134,845.60x = 17,720,006,357.76
  5. Step 5: Solve for x
    x = 17,720,006,357.76/134,845.60
  6. Step 6: Final answer
    x = 131,409.60

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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.