Home / 135,746.94-187,440.84-84,819

Finding the Fourth Proportional to 135,746.94, 187,440.84 and 84,819

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Solution

The fourth proportional to 135,746.94, 187,440.84 and 84,819 is: 117,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,746.94 : 187,440.84 = 84,819 : x
  2. Step 2: Convert to fraction form
    135,746.94/187,440.84 = 84,819/x
  3. Step 3: Cross multiply
    135,746.94x = 187,440.84 × 84,819
  4. Step 4: Simplify right side
    135,746.94x = 15,898,544,607.96
  5. Step 5: Solve for x
    x = 15,898,544,607.96/135,746.94
  6. Step 6: Final answer
    x = 117,118.99

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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.