Home / 130,528.58-180,140.46-73,166.99

Finding the Fourth Proportional to 130,528.58, 180,140.46 and 73,166.99

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Solution

The fourth proportional to 130,528.58, 180,140.46 and 73,166.99 is: 100,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528.58 : 180,140.46 = 73,166.99 : x
  2. Step 2: Convert to fraction form
    130,528.58/180,140.46 = 73,166.99/x
  3. Step 3: Cross multiply
    130,528.58x = 180,140.46 × 73,166.99
  4. Step 4: Simplify right side
    130,528.58x = 13,180,334,060.34
  5. Step 5: Solve for x
    x = 13,180,334,060.34/130,528.58
  6. Step 6: Final answer
    x = 100,976.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.