Home / 191,228.60-263,890.86-104,011.46

Finding the Fourth Proportional to 191,228.60, 263,890.86 and 104,011.46

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Solution

The fourth proportional to 191,228.60, 263,890.86 and 104,011.46 is: 143,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,228.60 : 263,890.86 = 104,011.46 : x
  2. Step 2: Convert to fraction form
    191,228.60/263,890.86 = 104,011.46/x
  3. Step 3: Cross multiply
    191,228.60x = 263,890.86 × 104,011.46
  4. Step 4: Simplify right side
    191,228.60x = 27,447,673,629.26
  5. Step 5: Solve for x
    x = 27,447,673,629.26/191,228.60
  6. Step 6: Final answer
    x = 143,533.31

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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.