Home / 231,450.32-347,157.48-91,210.16

Finding the Fourth Proportional to 231,450.32, 347,157.48 and 91,210.16

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Solution

The fourth proportional to 231,450.32, 347,157.48 and 91,210.16 is: 136,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,450.32 : 347,157.48 = 91,210.16 : x
  2. Step 2: Convert to fraction form
    231,450.32/347,157.48 = 91,210.16/x
  3. Step 3: Cross multiply
    231,450.32x = 347,157.48 × 91,210.16
  4. Step 4: Simplify right side
    231,450.32x = 31,664,289,296.00
  5. Step 5: Solve for x
    x = 31,664,289,296.00/231,450.32
  6. Step 6: Final answer
    x = 136,808.15

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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.