Home / 130,806.28-180,514.93-73,448.79

Finding the Fourth Proportional to 130,806.28, 180,514.93 and 73,448.79

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Solution

The fourth proportional to 130,806.28, 180,514.93 and 73,448.79 is: 101,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,806.28 : 180,514.93 = 73,448.79 : x
  2. Step 2: Convert to fraction form
    130,806.28/180,514.93 = 73,448.79/x
  3. Step 3: Cross multiply
    130,806.28x = 180,514.93 × 73,448.79
  4. Step 4: Simplify right side
    130,806.28x = 13,258,603,477.99
  5. Step 5: Solve for x
    x = 13,258,603,477.99/130,806.28
  6. Step 6: Final answer
    x = 101,360.61

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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.