Home / 145,596.37-200,924.42-81,066.51

Finding the Fourth Proportional to 145,596.37, 200,924.42 and 81,066.51

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Solution

The fourth proportional to 145,596.37, 200,924.42 and 81,066.51 is: 111,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.37 : 200,924.42 = 81,066.51 : x
  2. Step 2: Convert to fraction form
    145,596.37/200,924.42 = 81,066.51/x
  3. Step 3: Cross multiply
    145,596.37x = 200,924.42 × 81,066.51
  4. Step 4: Simplify right side
    145,596.37x = 16,288,241,503.17
  5. Step 5: Solve for x
    x = 16,288,241,503.17/145,596.37
  6. Step 6: Final answer
    x = 111,872.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.