Home / 151,322.67-208,440.81-115,450.38

Finding the Fourth Proportional to 151,322.67, 208,440.81 and 115,450.38

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Solution

The fourth proportional to 151,322.67, 208,440.81 and 115,450.38 is: 159,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,322.67 : 208,440.81 = 115,450.38 : x
  2. Step 2: Convert to fraction form
    151,322.67/208,440.81 = 115,450.38/x
  3. Step 3: Cross multiply
    151,322.67x = 208,440.81 × 115,450.38
  4. Step 4: Simplify right side
    151,322.67x = 24,064,570,722.01
  5. Step 5: Solve for x
    x = 24,064,570,722.01/151,322.67
  6. Step 6: Final answer
    x = 159,028.19

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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.