Home / 145,738.94-218,608.45-112,507.52

Finding the Fourth Proportional to 145,738.94, 218,608.45 and 112,507.52

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Solution

The fourth proportional to 145,738.94, 218,608.45 and 112,507.52 is: 168,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,738.94 : 218,608.45 = 112,507.52 : x
  2. Step 2: Convert to fraction form
    145,738.94/218,608.45 = 112,507.52/x
  3. Step 3: Cross multiply
    145,738.94x = 218,608.45 × 112,507.52
  4. Step 4: Simplify right side
    145,738.94x = 24,595,093,186.23
  5. Step 5: Solve for x
    x = 24,595,093,186.23/145,738.94
  6. Step 6: Final answer
    x = 168,761.31

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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.