Home / 210,288.24-290,193.99-119,642.25

Finding the Fourth Proportional to 210,288.24, 290,193.99 and 119,642.25

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Solution

The fourth proportional to 210,288.24, 290,193.99 and 119,642.25 is: 165,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,288.24 : 290,193.99 = 119,642.25 : x
  2. Step 2: Convert to fraction form
    210,288.24/290,193.99 = 119,642.25/x
  3. Step 3: Cross multiply
    210,288.24x = 290,193.99 × 119,642.25
  4. Step 4: Simplify right side
    210,288.24x = 34,719,461,900.08
  5. Step 5: Solve for x
    x = 34,719,461,900.08/210,288.24
  6. Step 6: Final answer
    x = 165,104.15

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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.