Home / 210,204.30-290,082.42-119,558.28

Finding the Fourth Proportional to 210,204.30, 290,082.42 and 119,558.28

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Solution

The fourth proportional to 210,204.30, 290,082.42 and 119,558.28 is: 164,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.30 : 290,082.42 = 119,558.28 : x
  2. Step 2: Convert to fraction form
    210,204.30/290,082.42 = 119,558.28/x
  3. Step 3: Cross multiply
    210,204.30x = 290,082.42 × 119,558.28
  4. Step 4: Simplify right side
    210,204.30x = 34,681,755,193.44
  5. Step 5: Solve for x
    x = 34,681,755,193.44/210,204.30
  6. Step 6: Final answer
    x = 164,990.70

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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.