Home / 210,385.94-290,294.20-119,736.60

Finding the Fourth Proportional to 210,385.94, 290,294.20 and 119,736.60

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Solution

The fourth proportional to 210,385.94, 290,294.20 and 119,736.60 is: 165,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,385.94 : 290,294.20 = 119,736.60 : x
  2. Step 2: Convert to fraction form
    210,385.94/290,294.20 = 119,736.60/x
  3. Step 3: Cross multiply
    210,385.94x = 290,294.20 × 119,736.60
  4. Step 4: Simplify right side
    210,385.94x = 34,758,840,507.72
  5. Step 5: Solve for x
    x = 34,758,840,507.72/210,385.94
  6. Step 6: Final answer
    x = 165,214.66

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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.