Home / 94,709.20-142,014.12-28,140.16

Finding the Fourth Proportional to 94,709.20, 142,014.12 and 28,140.16

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Solution

The fourth proportional to 94,709.20, 142,014.12 and 28,140.16 is: 42,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,709.20 : 142,014.12 = 28,140.16 : x
  2. Step 2: Convert to fraction form
    94,709.20/142,014.12 = 28,140.16/x
  3. Step 3: Cross multiply
    94,709.20x = 142,014.12 × 28,140.16
  4. Step 4: Simplify right side
    94,709.20x = 3,996,300,059.06
  5. Step 5: Solve for x
    x = 3,996,300,059.06/94,709.20
  6. Step 6: Final answer
    x = 42,195.48

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1.5x scale

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.