Home / 110,201.32-165,303.36-31,315.42

Finding the Fourth Proportional to 110,201.32, 165,303.36 and 31,315.42

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Solution

The fourth proportional to 110,201.32, 165,303.36 and 31,315.42 is: 46,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,201.32 : 165,303.36 = 31,315.42 : x
  2. Step 2: Convert to fraction form
    110,201.32/165,303.36 = 31,315.42/x
  3. Step 3: Cross multiply
    110,201.32x = 165,303.36 × 31,315.42
  4. Step 4: Simplify right side
    110,201.32x = 5,176,544,145.81
  5. Step 5: Solve for x
    x = 5,176,544,145.81/110,201.32
  6. Step 6: Final answer
    x = 46,973.52

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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.