Home / 210,299.76-290,200.32-125,418.24

Finding the Fourth Proportional to 210,299.76, 290,200.32 and 125,418.24

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Solution

The fourth proportional to 210,299.76, 290,200.32 and 125,418.24 is: 173,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,299.76 : 290,200.32 = 125,418.24 : x
  2. Step 2: Convert to fraction form
    210,299.76/290,200.32 = 125,418.24/x
  3. Step 3: Cross multiply
    210,299.76x = 290,200.32 × 125,418.24
  4. Step 4: Simplify right side
    210,299.76x = 36,396,413,381.84
  5. Step 5: Solve for x
    x = 36,396,413,381.84/210,299.76
  6. Step 6: Final answer
    x = 173,069.21

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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.