Home / 156,715.15-235,072.73-45,907.15

Finding the Fourth Proportional to 156,715.15, 235,072.73 and 45,907.15

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Solution

The fourth proportional to 156,715.15, 235,072.73 and 45,907.15 is: 68,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,715.15 : 235,072.73 = 45,907.15 : x
  2. Step 2: Convert to fraction form
    156,715.15/235,072.73 = 45,907.15/x
  3. Step 3: Cross multiply
    156,715.15x = 235,072.73 × 45,907.15
  4. Step 4: Simplify right side
    156,715.15x = 10,791,519,077.02
  5. Step 5: Solve for x
    x = 10,791,519,077.02/156,715.15
  6. Step 6: Final answer
    x = 68,860.73

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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.