Home / 156,651.44-235,172.43-155,931.75

Finding the Fourth Proportional to 156,651.44, 235,172.43 and 155,931.75

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Solution

The fourth proportional to 156,651.44, 235,172.43 and 155,931.75 is: 234,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,651.44 : 235,172.43 = 155,931.75 : x
  2. Step 2: Convert to fraction form
    156,651.44/235,172.43 = 155,931.75/x
  3. Step 3: Cross multiply
    156,651.44x = 235,172.43 × 155,931.75
  4. Step 4: Simplify right side
    156,651.44x = 36,670,848,561.65
  5. Step 5: Solve for x
    x = 36,670,848,561.65/156,651.44
  6. Step 6: Final answer
    x = 234,092.01

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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.