Home / 210,200.63-290,085.58-119,572.56

Finding the Fourth Proportional to 210,200.63, 290,085.58 and 119,572.56

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Solution

The fourth proportional to 210,200.63, 290,085.58 and 119,572.56 is: 165,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.63 : 290,085.58 = 119,572.56 : x
  2. Step 2: Convert to fraction form
    210,200.63/290,085.58 = 119,572.56/x
  3. Step 3: Cross multiply
    210,200.63x = 290,085.58 × 119,572.56
  4. Step 4: Simplify right side
    210,200.63x = 34,686,275,419.68
  5. Step 5: Solve for x
    x = 34,686,275,419.68/210,200.63
  6. Step 6: Final answer
    x = 165,015.09

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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.