Home / 74,540.16-111,801.60-40,816.32

Finding the Fourth Proportional to 74,540.16, 111,801.60 and 40,816.32

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Solution

The fourth proportional to 74,540.16, 111,801.60 and 40,816.32 is: 61,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.16 : 111,801.60 = 40,816.32 : x
  2. Step 2: Convert to fraction form
    74,540.16/111,801.60 = 40,816.32/x
  3. Step 3: Cross multiply
    74,540.16x = 111,801.60 × 40,816.32
  4. Step 4: Simplify right side
    74,540.16x = 4,563,329,882.11
  5. Step 5: Solve for x
    x = 4,563,329,882.11/74,540.16
  6. Step 6: Final answer
    x = 61,219.75

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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.