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Finding the Fourth Proportional to 116,065.63, 174,113.93 and 45,928.54

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Solution

The fourth proportional to 116,065.63, 174,113.93 and 45,928.54 is: 68,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,065.63 : 174,113.93 = 45,928.54 : x
  2. Step 2: Convert to fraction form
    116,065.63/174,113.93 = 45,928.54/x
  3. Step 3: Cross multiply
    116,065.63x = 174,113.93 × 45,928.54
  4. Step 4: Simplify right side
    116,065.63x = 7,996,798,598.56
  5. Step 5: Solve for x
    x = 7,996,798,598.56/116,065.63
  6. Step 6: Final answer
    x = 68,898.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.