Home / 74,140.30-111,180.48-46,018.72

Finding the Fourth Proportional to 74,140.30, 111,180.48 and 46,018.72

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Solution

The fourth proportional to 74,140.30, 111,180.48 and 46,018.72 is: 69,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,140.30 : 111,180.48 = 46,018.72 : x
  2. Step 2: Convert to fraction form
    74,140.30/111,180.48 = 46,018.72/x
  3. Step 3: Cross multiply
    74,140.30x = 111,180.48 × 46,018.72
  4. Step 4: Simplify right side
    74,140.30x = 5,116,383,378.59
  5. Step 5: Solve for x
    x = 5,116,383,378.59/74,140.30
  6. Step 6: Final answer
    x = 69,009.48

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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.