Home / 74,532.56-111,768.76-30,151.12

Finding the Fourth Proportional to 74,532.56, 111,768.76 and 30,151.12

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Solution

The fourth proportional to 74,532.56, 111,768.76 and 30,151.12 is: 45,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.56 : 111,768.76 = 30,151.12 : x
  2. Step 2: Convert to fraction form
    74,532.56/111,768.76 = 30,151.12/x
  3. Step 3: Cross multiply
    74,532.56x = 111,768.76 × 30,151.12
  4. Step 4: Simplify right side
    74,532.56x = 3,369,953,295.01
  5. Step 5: Solve for x
    x = 3,369,953,295.01/74,532.56
  6. Step 6: Final answer
    x = 45,214.51

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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.