Home / 130,214.48-179,643.06-84,876.54

Finding the Fourth Proportional to 130,214.48, 179,643.06 and 84,876.54

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Solution

The fourth proportional to 130,214.48, 179,643.06 and 84,876.54 is: 117,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,214.48 : 179,643.06 = 84,876.54 : x
  2. Step 2: Convert to fraction form
    130,214.48/179,643.06 = 84,876.54/x
  3. Step 3: Cross multiply
    130,214.48x = 179,643.06 × 84,876.54
  4. Step 4: Simplify right side
    130,214.48x = 15,247,481,367.81
  5. Step 5: Solve for x
    x = 15,247,481,367.81/130,214.48
  6. Step 6: Final answer
    x = 117,095.13

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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.