Home / 336,072.51-504,207.18-99,421.56

Finding the Fourth Proportional to 336,072.51, 504,207.18 and 99,421.56

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Solution

The fourth proportional to 336,072.51, 504,207.18 and 99,421.56 is: 149,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,072.51 : 504,207.18 = 99,421.56 : x
  2. Step 2: Convert to fraction form
    336,072.51/504,207.18 = 99,421.56/x
  3. Step 3: Cross multiply
    336,072.51x = 504,207.18 × 99,421.56
  4. Step 4: Simplify right side
    336,072.51x = 50,129,064,398.80
  5. Step 5: Solve for x
    x = 50,129,064,398.80/336,072.51
  6. Step 6: Final answer
    x = 149,161.45

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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.