Home / 134,787.60-202,181.40-103,683.60

Finding the Fourth Proportional to 134,787.60, 202,181.40 and 103,683.60

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Solution

The fourth proportional to 134,787.60, 202,181.40 and 103,683.60 is: 155,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.60 : 202,181.40 = 103,683.60 : x
  2. Step 2: Convert to fraction form
    134,787.60/202,181.40 = 103,683.60/x
  3. Step 3: Cross multiply
    134,787.60x = 202,181.40 × 103,683.60
  4. Step 4: Simplify right side
    134,787.60x = 20,962,895,405.04
  5. Step 5: Solve for x
    x = 20,962,895,405.04/134,787.60
  6. Step 6: Final answer
    x = 155,525.40

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1.5x scale

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.