Home / 130,365.46-180,008.96-104,789.87

Finding the Fourth Proportional to 130,365.46, 180,008.96 and 104,789.87

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Solution

The fourth proportional to 130,365.46, 180,008.96 and 104,789.87 is: 144,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365.46 : 180,008.96 = 104,789.87 : x
  2. Step 2: Convert to fraction form
    130,365.46/180,008.96 = 104,789.87/x
  3. Step 3: Cross multiply
    130,365.46x = 180,008.96 × 104,789.87
  4. Step 4: Simplify right side
    130,365.46x = 18,863,114,879.17
  5. Step 5: Solve for x
    x = 18,863,114,879.17/130,365.46
  6. Step 6: Final answer
    x = 144,694.12

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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.