Home / 210,212.49-290,017.38-161,829.24

Finding the Fourth Proportional to 210,212.49, 290,017.38 and 161,829.24

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Solution

The fourth proportional to 210,212.49, 290,017.38 and 161,829.24 is: 223,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,212.49 : 290,017.38 = 161,829.24 : x
  2. Step 2: Convert to fraction form
    210,212.49/290,017.38 = 161,829.24/x
  3. Step 3: Cross multiply
    210,212.49x = 290,017.38 × 161,829.24
  4. Step 4: Simplify right side
    210,212.49x = 46,933,292,192.19
  5. Step 5: Solve for x
    x = 46,933,292,192.19/210,212.49
  6. Step 6: Final answer
    x = 223,265.95

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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.