Home / 190,015.10-284,715.45-119,768.70

Finding the Fourth Proportional to 190,015.10, 284,715.45 and 119,768.70

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Solution

The fourth proportional to 190,015.10, 284,715.45 and 119,768.70 is: 179,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,015.10 : 284,715.45 = 119,768.70 : x
  2. Step 2: Convert to fraction form
    190,015.10/284,715.45 = 119,768.70/x
  3. Step 3: Cross multiply
    190,015.10x = 284,715.45 × 119,768.70
  4. Step 4: Simplify right side
    190,015.10x = 34,099,999,316.42
  5. Step 5: Solve for x
    x = 34,099,999,316.42/190,015.10
  6. Step 6: Final answer
    x = 179,459.42

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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.