Home / 252,520.12-348,486.06-139,353.40

Finding the Fourth Proportional to 252,520.12, 348,486.06 and 139,353.40

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Solution

The fourth proportional to 252,520.12, 348,486.06 and 139,353.40 is: 192,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,520.12 : 348,486.06 = 139,353.40 : x
  2. Step 2: Convert to fraction form
    252,520.12/348,486.06 = 139,353.40/x
  3. Step 3: Cross multiply
    252,520.12x = 348,486.06 × 139,353.40
  4. Step 4: Simplify right side
    252,520.12x = 48,562,717,313.60
  5. Step 5: Solve for x
    x = 48,562,717,313.60/252,520.12
  6. Step 6: Final answer
    x = 192,312.27

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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.