Home / 131,859.81-181,795.26-84,030.12

Finding the Fourth Proportional to 131,859.81, 181,795.26 and 84,030.12

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Solution

The fourth proportional to 131,859.81, 181,795.26 and 84,030.12 is: 115,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,859.81 : 181,795.26 = 84,030.12 : x
  2. Step 2: Convert to fraction form
    131,859.81/181,795.26 = 84,030.12/x
  3. Step 3: Cross multiply
    131,859.81x = 181,795.26 × 84,030.12
  4. Step 4: Simplify right side
    131,859.81x = 15,276,277,513.23
  5. Step 5: Solve for x
    x = 15,276,277,513.23/131,859.81
  6. Step 6: Final answer
    x = 115,852.42

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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.