Home / 94,700.35-142,058.21-28,140.54

Finding the Fourth Proportional to 94,700.35, 142,058.21 and 28,140.54

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Solution

The fourth proportional to 94,700.35, 142,058.21 and 28,140.54 is: 42,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,700.35 : 142,058.21 = 28,140.54 : x
  2. Step 2: Convert to fraction form
    94,700.35/142,058.21 = 28,140.54/x
  3. Step 3: Cross multiply
    94,700.35x = 142,058.21 × 28,140.54
  4. Step 4: Simplify right side
    94,700.35x = 3,997,594,555.99
  5. Step 5: Solve for x
    x = 3,997,594,555.99/94,700.35
  6. Step 6: Final answer
    x = 42,213.09

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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.