Home / 157,724.60-236,586.90-113,257.40

Finding the Fourth Proportional to 157,724.60, 236,586.90 and 113,257.40

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Solution

The fourth proportional to 157,724.60, 236,586.90 and 113,257.40 is: 169,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,724.60 : 236,586.90 = 113,257.40 : x
  2. Step 2: Convert to fraction form
    157,724.60/236,586.90 = 113,257.40/x
  3. Step 3: Cross multiply
    157,724.60x = 236,586.90 × 113,257.40
  4. Step 4: Simplify right side
    157,724.60x = 26,795,217,168.06
  5. Step 5: Solve for x
    x = 26,795,217,168.06/157,724.60
  6. Step 6: Final answer
    x = 169,886.10

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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.