Home / 254,162.39-380,995.70-121,006.89

Finding the Fourth Proportional to 254,162.39, 380,995.70 and 121,006.89

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Solution

The fourth proportional to 254,162.39, 380,995.70 and 121,006.89 is: 181,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,162.39 : 380,995.70 = 121,006.89 : x
  2. Step 2: Convert to fraction form
    254,162.39/380,995.70 = 121,006.89/x
  3. Step 3: Cross multiply
    254,162.39x = 380,995.70 × 121,006.89
  4. Step 4: Simplify right side
    254,162.39x = 46,103,104,155.34
  5. Step 5: Solve for x
    x = 46,103,104,155.34/254,162.39
  6. Step 6: Final answer
    x = 181,392.32

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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.