Home / 74,151.38-111,300.89-40,887.11

Finding the Fourth Proportional to 74,151.38, 111,300.89 and 40,887.11

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Solution

The fourth proportional to 74,151.38, 111,300.89 and 40,887.11 is: 61,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.38 : 111,300.89 = 40,887.11 : x
  2. Step 2: Convert to fraction form
    74,151.38/111,300.89 = 40,887.11/x
  3. Step 3: Cross multiply
    74,151.38x = 111,300.89 × 40,887.11
  4. Step 4: Simplify right side
    74,151.38x = 4,550,771,806.34
  5. Step 5: Solve for x
    x = 4,550,771,806.34/74,151.38
  6. Step 6: Final answer
    x = 61,371.37

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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.