Home / 145,904.32-201,379.26-92,155.15

Finding the Fourth Proportional to 145,904.32, 201,379.26 and 92,155.15

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Solution

The fourth proportional to 145,904.32, 201,379.26 and 92,155.15 is: 127,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,904.32 : 201,379.26 = 92,155.15 : x
  2. Step 2: Convert to fraction form
    145,904.32/201,379.26 = 92,155.15/x
  3. Step 3: Cross multiply
    145,904.32x = 201,379.26 × 92,155.15
  4. Step 4: Simplify right side
    145,904.32x = 18,558,135,912.19
  5. Step 5: Solve for x
    x = 18,558,135,912.19/145,904.32
  6. Step 6: Final answer
    x = 127,193.88

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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.