Home / 130,319.84-179,860.56-82,577.60

Finding the Fourth Proportional to 130,319.84, 179,860.56 and 82,577.60

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Solution

The fourth proportional to 130,319.84, 179,860.56 and 82,577.60 is: 113,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,319.84 : 179,860.56 = 82,577.60 : x
  2. Step 2: Convert to fraction form
    130,319.84/179,860.56 = 82,577.60/x
  3. Step 3: Cross multiply
    130,319.84x = 179,860.56 × 82,577.60
  4. Step 4: Simplify right side
    130,319.84x = 14,852,453,379.46
  5. Step 5: Solve for x
    x = 14,852,453,379.46/130,319.84
  6. Step 6: Final answer
    x = 113,969.24

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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.