Home / 130,260.83-179,795.30-76,563.09

Finding the Fourth Proportional to 130,260.83, 179,795.30 and 76,563.09

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Solution

The fourth proportional to 130,260.83, 179,795.30 and 76,563.09 is: 105,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,260.83 : 179,795.30 = 76,563.09 : x
  2. Step 2: Convert to fraction form
    130,260.83/179,795.30 = 76,563.09/x
  3. Step 3: Cross multiply
    130,260.83x = 179,795.30 × 76,563.09
  4. Step 4: Simplify right side
    130,260.83x = 13,765,683,352.66
  5. Step 5: Solve for x
    x = 13,765,683,352.66/130,260.83
  6. Step 6: Final answer
    x = 105,677.85

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1.5x scale

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.