Home / 130,928.40-180,624.06-82,501.02

Finding the Fourth Proportional to 130,928.40, 180,624.06 and 82,501.02

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Solution

The fourth proportional to 130,928.40, 180,624.06 and 82,501.02 is: 113,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,928.40 : 180,624.06 = 82,501.02 : x
  2. Step 2: Convert to fraction form
    130,928.40/180,624.06 = 82,501.02/x
  3. Step 3: Cross multiply
    130,928.40x = 180,624.06 × 82,501.02
  4. Step 4: Simplify right side
    130,928.40x = 14,901,669,186.54
  5. Step 5: Solve for x
    x = 14,901,669,186.54/130,928.40
  6. Step 6: Final answer
    x = 113,815.41

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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.