Home / 105,572.43-145,692.32-60,249.51

Finding the Fourth Proportional to 105,572.43, 145,692.32 and 60,249.51

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Solution

The fourth proportional to 105,572.43, 145,692.32 and 60,249.51 is: 83,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.43 : 145,692.32 = 60,249.51 : x
  2. Step 2: Convert to fraction form
    105,572.43/145,692.32 = 60,249.51/x
  3. Step 3: Cross multiply
    105,572.43x = 145,692.32 × 60,249.51
  4. Step 4: Simplify right side
    105,572.43x = 8,777,889,861.05
  5. Step 5: Solve for x
    x = 8,777,889,861.05/105,572.43
  6. Step 6: Final answer
    x = 83,145.67

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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.