Home / 124,421.05-171,595.42-105,134.45

Finding the Fourth Proportional to 124,421.05, 171,595.42 and 105,134.45

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Solution

The fourth proportional to 124,421.05, 171,595.42 and 105,134.45 is: 144,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.05 : 171,595.42 = 105,134.45 : x
  2. Step 2: Convert to fraction form
    124,421.05/171,595.42 = 105,134.45/x
  3. Step 3: Cross multiply
    124,421.05x = 171,595.42 × 105,134.45
  4. Step 4: Simplify right side
    124,421.05x = 18,040,590,270.37
  5. Step 5: Solve for x
    x = 18,040,590,270.37/124,421.05
  6. Step 6: Final answer
    x = 144,996.29

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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.