Home / 102,050.69-140,832.83-61,771.73

Finding the Fourth Proportional to 102,050.69, 140,832.83 and 61,771.73

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Solution

The fourth proportional to 102,050.69, 140,832.83 and 61,771.73 is: 85,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,050.69 : 140,832.83 = 61,771.73 : x
  2. Step 2: Convert to fraction form
    102,050.69/140,832.83 = 61,771.73/x
  3. Step 3: Cross multiply
    102,050.69x = 140,832.83 × 61,771.73
  4. Step 4: Simplify right side
    102,050.69x = 8,699,487,000.16
  5. Step 5: Solve for x
    x = 8,699,487,000.16/102,050.69
  6. Step 6: Final answer
    x = 85,246.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.