Home / 210,388.05-290,337.82-114,897.56

Finding the Fourth Proportional to 210,388.05, 290,337.82 and 114,897.56

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Solution

The fourth proportional to 210,388.05, 290,337.82 and 114,897.56 is: 158,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,388.05 : 290,337.82 = 114,897.56 : x
  2. Step 2: Convert to fraction form
    210,388.05/290,337.82 = 114,897.56/x
  3. Step 3: Cross multiply
    210,388.05x = 290,337.82 × 114,897.56
  4. Step 4: Simplify right side
    210,388.05x = 33,359,105,354.79
  5. Step 5: Solve for x
    x = 33,359,105,354.79/210,388.05
  6. Step 6: Final answer
    x = 158,559.89

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1.5x scale

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.