Home / 104,787.60-157,181.40-38,205.60

Finding the Fourth Proportional to 104,787.60, 157,181.40 and 38,205.60

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Solution

The fourth proportional to 104,787.60, 157,181.40 and 38,205.60 is: 57,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.60 : 157,181.40 = 38,205.60 : x
  2. Step 2: Convert to fraction form
    104,787.60/157,181.40 = 38,205.60/x
  3. Step 3: Cross multiply
    104,787.60x = 157,181.40 × 38,205.60
  4. Step 4: Simplify right side
    104,787.60x = 6,005,209,695.84
  5. Step 5: Solve for x
    x = 6,005,209,695.84/104,787.60
  6. Step 6: Final answer
    x = 57,308.40

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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.