Home / 74,149.36-111,240.45-40,852.28

Finding the Fourth Proportional to 74,149.36, 111,240.45 and 40,852.28

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Solution

The fourth proportional to 74,149.36, 111,240.45 and 40,852.28 is: 61,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,149.36 : 111,240.45 = 40,852.28 : x
  2. Step 2: Convert to fraction form
    74,149.36/111,240.45 = 40,852.28/x
  3. Step 3: Cross multiply
    74,149.36x = 111,240.45 × 40,852.28
  4. Step 4: Simplify right side
    74,149.36x = 4,544,426,288.83
  5. Step 5: Solve for x
    x = 4,544,426,288.83/74,149.36
  6. Step 6: Final answer
    x = 61,287.47

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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.