Home / 210,937.45-291,036.03-120,260.33

Finding the Fourth Proportional to 210,937.45, 291,036.03 and 120,260.33

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Solution

The fourth proportional to 210,937.45, 291,036.03 and 120,260.33 is: 165,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,937.45 : 291,036.03 = 120,260.33 : x
  2. Step 2: Convert to fraction form
    210,937.45/291,036.03 = 120,260.33/x
  3. Step 3: Cross multiply
    210,937.45x = 291,036.03 × 120,260.33
  4. Step 4: Simplify right side
    210,937.45x = 35,000,089,009.69
  5. Step 5: Solve for x
    x = 35,000,089,009.69/210,937.45
  6. Step 6: Final answer
    x = 165,926.39

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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.