Home / 254,547.12-381,903.63-121,410.06

Finding the Fourth Proportional to 254,547.12, 381,903.63 and 121,410.06

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Solution

The fourth proportional to 254,547.12, 381,903.63 and 121,410.06 is: 182,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,547.12 : 381,903.63 = 121,410.06 : x
  2. Step 2: Convert to fraction form
    254,547.12/381,903.63 = 121,410.06/x
  3. Step 3: Cross multiply
    254,547.12x = 381,903.63 × 121,410.06
  4. Step 4: Simplify right side
    254,547.12x = 46,366,940,745.09
  5. Step 5: Solve for x
    x = 46,366,940,745.09/254,547.12
  6. Step 6: Final answer
    x = 182,154.64

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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.