Home / 130,012.80-179,501.04-106,196.64

Finding the Fourth Proportional to 130,012.80, 179,501.04 and 106,196.64

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Solution

The fourth proportional to 130,012.80, 179,501.04 and 106,196.64 is: 146,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012.80 : 179,501.04 = 106,196.64 : x
  2. Step 2: Convert to fraction form
    130,012.80/179,501.04 = 106,196.64/x
  3. Step 3: Cross multiply
    130,012.80x = 179,501.04 × 106,196.64
  4. Step 4: Simplify right side
    130,012.80x = 19,062,407,324.51
  5. Step 5: Solve for x
    x = 19,062,407,324.51/130,012.80
  6. Step 6: Final answer
    x = 146,619.47

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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.