Home / 210,842.02-290,974.89-121,446.82

Finding the Fourth Proportional to 210,842.02, 290,974.89 and 121,446.82

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Solution

The fourth proportional to 210,842.02, 290,974.89 and 121,446.82 is: 167,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,842.02 : 290,974.89 = 121,446.82 : x
  2. Step 2: Convert to fraction form
    210,842.02/290,974.89 = 121,446.82/x
  3. Step 3: Cross multiply
    210,842.02x = 290,974.89 × 121,446.82
  4. Step 4: Simplify right side
    210,842.02x = 35,337,975,090.35
  5. Step 5: Solve for x
    x = 35,337,975,090.35/210,842.02
  6. Step 6: Final answer
    x = 167,604.04

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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.