Home / 231,840.64-347,853.12-107,240.32

Finding the Fourth Proportional to 231,840.64, 347,853.12 and 107,240.32

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Solution

The fourth proportional to 231,840.64, 347,853.12 and 107,240.32 is: 160,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840.64 : 347,853.12 = 107,240.32 : x
  2. Step 2: Convert to fraction form
    231,840.64/347,853.12 = 107,240.32/x
  3. Step 3: Cross multiply
    231,840.64x = 347,853.12 × 107,240.32
  4. Step 4: Simplify right side
    231,840.64x = 37,303,879,901.80
  5. Step 5: Solve for x
    x = 37,303,879,901.80/231,840.64
  6. Step 6: Final answer
    x = 160,903.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.