Home / 118,771.02-178,140.06-30,019.14

Finding the Fourth Proportional to 118,771.02, 178,140.06 and 30,019.14

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Solution

The fourth proportional to 118,771.02, 178,140.06 and 30,019.14 is: 45,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,771.02 : 178,140.06 = 30,019.14 : x
  2. Step 2: Convert to fraction form
    118,771.02/178,140.06 = 30,019.14/x
  3. Step 3: Cross multiply
    118,771.02x = 178,140.06 × 30,019.14
  4. Step 4: Simplify right side
    118,771.02x = 5,347,611,400.75
  5. Step 5: Solve for x
    x = 5,347,611,400.75/118,771.02
  6. Step 6: Final answer
    x = 45,024.55

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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.