Home / 210,832.35-290,946.24-115,337.94

Finding the Fourth Proportional to 210,832.35, 290,946.24 and 115,337.94

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Solution

The fourth proportional to 210,832.35, 290,946.24 and 115,337.94 is: 159,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,832.35 : 290,946.24 = 115,337.94 : x
  2. Step 2: Convert to fraction form
    210,832.35/290,946.24 = 115,337.94/x
  3. Step 3: Cross multiply
    210,832.35x = 290,946.24 × 115,337.94
  4. Step 4: Simplify right side
    210,832.35x = 33,557,139,972.35
  5. Step 5: Solve for x
    x = 33,557,139,972.35/210,832.35
  6. Step 6: Final answer
    x = 159,165.04

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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.