Home / 155,538.40-233,115.60-105,618.40

Finding the Fourth Proportional to 155,538.40, 233,115.60 and 105,618.40

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Solution

The fourth proportional to 155,538.40, 233,115.60 and 105,618.40 is: 158,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,538.40 : 233,115.60 = 105,618.40 : x
  2. Step 2: Convert to fraction form
    155,538.40/233,115.60 = 105,618.40/x
  3. Step 3: Cross multiply
    155,538.40x = 233,115.60 × 105,618.40
  4. Step 4: Simplify right side
    155,538.40x = 24,621,296,687.04
  5. Step 5: Solve for x
    x = 24,621,296,687.04/155,538.40
  6. Step 6: Final answer
    x = 158,297.22

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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.