Home / 157,074.30-235,611.45-112,787.55

Finding the Fourth Proportional to 157,074.30, 235,611.45 and 112,787.55

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Solution

The fourth proportional to 157,074.30, 235,611.45 and 112,787.55 is: 169,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,074.30 : 235,611.45 = 112,787.55 : x
  2. Step 2: Convert to fraction form
    157,074.30/235,611.45 = 112,787.55/x
  3. Step 3: Cross multiply
    157,074.30x = 235,611.45 × 112,787.55
  4. Step 4: Simplify right side
    157,074.30x = 26,574,038,197.45
  5. Step 5: Solve for x
    x = 26,574,038,197.45/157,074.30
  6. Step 6: Final answer
    x = 169,181.33

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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.