Home / 210,244.35-290,230.52-142,359.87

Finding the Fourth Proportional to 210,244.35, 290,230.52 and 142,359.87

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Solution

The fourth proportional to 210,244.35, 290,230.52 and 142,359.87 is: 196,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,244.35 : 290,230.52 = 142,359.87 : x
  2. Step 2: Convert to fraction form
    210,244.35/290,230.52 = 142,359.87/x
  3. Step 3: Cross multiply
    210,244.35x = 290,230.52 × 142,359.87
  4. Step 4: Simplify right side
    210,244.35x = 41,317,178,385.43
  5. Step 5: Solve for x
    x = 41,317,178,385.43/210,244.35
  6. Step 6: Final answer
    x = 196,519.80

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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.