Home / 210,406.12-290,285.22-124,346.92

Finding the Fourth Proportional to 210,406.12, 290,285.22 and 124,346.92

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Solution

The fourth proportional to 210,406.12, 290,285.22 and 124,346.92 is: 171,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,406.12 : 290,285.22 = 124,346.92 : x
  2. Step 2: Convert to fraction form
    210,406.12/290,285.22 = 124,346.92/x
  3. Step 3: Cross multiply
    210,406.12x = 290,285.22 × 124,346.92
  4. Step 4: Simplify right side
    210,406.12x = 36,096,073,028.52
  5. Step 5: Solve for x
    x = 36,096,073,028.52/210,406.12
  6. Step 6: Final answer
    x = 171,554.29

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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.