Home / 252,215.46-348,052.19-139,038.21

Finding the Fourth Proportional to 252,215.46, 348,052.19 and 139,038.21

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Solution

The fourth proportional to 252,215.46, 348,052.19 and 139,038.21 is: 191,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,215.46 : 348,052.19 = 139,038.21 : x
  2. Step 2: Convert to fraction form
    252,215.46/348,052.19 = 139,038.21/x
  3. Step 3: Cross multiply
    252,215.46x = 348,052.19 × 139,038.21
  4. Step 4: Simplify right side
    252,215.46x = 48,392,552,788.99
  5. Step 5: Solve for x
    x = 48,392,552,788.99/252,215.46
  6. Step 6: Final answer
    x = 191,869.89

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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.