Home / 190,715.10-286,072.65-50,487.90

Finding the Fourth Proportional to 190,715.10, 286,072.65 and 50,487.90

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Solution

The fourth proportional to 190,715.10, 286,072.65 and 50,487.90 is: 75,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,715.10 : 286,072.65 = 50,487.90 : x
  2. Step 2: Convert to fraction form
    190,715.10/286,072.65 = 50,487.90/x
  3. Step 3: Cross multiply
    190,715.10x = 286,072.65 × 50,487.90
  4. Step 4: Simplify right side
    190,715.10x = 14,443,207,345.94
  5. Step 5: Solve for x
    x = 14,443,207,345.94/190,715.10
  6. Step 6: Final answer
    x = 75,731.85

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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.