Home / 210,215.66-290,088.54-119,558.84

Finding the Fourth Proportional to 210,215.66, 290,088.54 and 119,558.84

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Solution

The fourth proportional to 210,215.66, 290,088.54 and 119,558.84 is: 164,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,215.66 : 290,088.54 = 119,558.84 : x
  2. Step 2: Convert to fraction form
    210,215.66/290,088.54 = 119,558.84/x
  3. Step 3: Cross multiply
    210,215.66x = 290,088.54 × 119,558.84
  4. Step 4: Simplify right side
    210,215.66x = 34,682,647,889.25
  5. Step 5: Solve for x
    x = 34,682,647,889.25/210,215.66
  6. Step 6: Final answer
    x = 164,986.04

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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.