Home / 134,789.60-202,184.40-103,685.60

Finding the Fourth Proportional to 134,789.60, 202,184.40 and 103,685.60

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Solution

The fourth proportional to 134,789.60, 202,184.40 and 103,685.60 is: 155,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,789.60 : 202,184.40 = 103,685.60 : x
  2. Step 2: Convert to fraction form
    134,789.60/202,184.40 = 103,685.60/x
  3. Step 3: Cross multiply
    134,789.60x = 202,184.40 × 103,685.60
  4. Step 4: Simplify right side
    134,789.60x = 20,963,610,824.64
  5. Step 5: Solve for x
    x = 20,963,610,824.64/134,789.60
  6. Step 6: Final answer
    x = 155,528.40

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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.