Home / 254,533.96-381,781.50-86,068.36

Finding the Fourth Proportional to 254,533.96, 381,781.50 and 86,068.36

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Solution

The fourth proportional to 254,533.96, 381,781.50 and 86,068.36 is: 129,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,533.96 : 381,781.50 = 86,068.36 : x
  2. Step 2: Convert to fraction form
    254,533.96/381,781.50 = 86,068.36/x
  3. Step 3: Cross multiply
    254,533.96x = 381,781.50 × 86,068.36
  4. Step 4: Simplify right side
    254,533.96x = 32,859,307,583.34
  5. Step 5: Solve for x
    x = 32,859,307,583.34/254,533.96
  6. Step 6: Final answer
    x = 129,095.97

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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.