Home / 130,584.64-180,162.48-76,852.48

Finding the Fourth Proportional to 130,584.64, 180,162.48 and 76,852.48

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Solution

The fourth proportional to 130,584.64, 180,162.48 and 76,852.48 is: 106,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,584.64 : 180,162.48 = 76,852.48 : x
  2. Step 2: Convert to fraction form
    130,584.64/180,162.48 = 76,852.48/x
  3. Step 3: Cross multiply
    130,584.64x = 180,162.48 × 76,852.48
  4. Step 4: Simplify right side
    130,584.64x = 13,845,933,390.95
  5. Step 5: Solve for x
    x = 13,845,933,390.95/130,584.64
  6. Step 6: Final answer
    x = 106,030.34

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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.