Home / 157,084.20-235,626.30-82,175.40

Finding the Fourth Proportional to 157,084.20, 235,626.30 and 82,175.40

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Solution

The fourth proportional to 157,084.20, 235,626.30 and 82,175.40 is: 123,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,084.20 : 235,626.30 = 82,175.40 : x
  2. Step 2: Convert to fraction form
    157,084.20/235,626.30 = 82,175.40/x
  3. Step 3: Cross multiply
    157,084.20x = 235,626.30 × 82,175.40
  4. Step 4: Simplify right side
    157,084.20x = 19,362,685,453.02
  5. Step 5: Solve for x
    x = 19,362,685,453.02/157,084.20
  6. Step 6: Final answer
    x = 123,263.10

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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.