Home / 252,561.12-348,524.16-139,382.40

Finding the Fourth Proportional to 252,561.12, 348,524.16 and 139,382.40

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Solution

The fourth proportional to 252,561.12, 348,524.16 and 139,382.40 is: 192,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,561.12 : 348,524.16 = 139,382.40 : x
  2. Step 2: Convert to fraction form
    252,561.12/348,524.16 = 139,382.40/x
  3. Step 3: Cross multiply
    252,561.12x = 348,524.16 × 139,382.40
  4. Step 4: Simplify right side
    252,561.12x = 48,578,133,878.78
  5. Step 5: Solve for x
    x = 48,578,133,878.78/252,561.12
  6. Step 6: Final answer
    x = 192,342.09

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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.