Home / 97,100.45-133,993.40-53,491.56

Finding the Fourth Proportional to 97,100.45, 133,993.40 and 53,491.56

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Solution

The fourth proportional to 97,100.45, 133,993.40 and 53,491.56 is: 73,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,100.45 : 133,993.40 = 53,491.56 : x
  2. Step 2: Convert to fraction form
    97,100.45/133,993.40 = 53,491.56/x
  3. Step 3: Cross multiply
    97,100.45x = 133,993.40 × 53,491.56
  4. Step 4: Simplify right side
    97,100.45x = 7,167,516,732.45
  5. Step 5: Solve for x
    x = 7,167,516,732.45/97,100.45
  6. Step 6: Final answer
    x = 73,815.49

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1.5x scale

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.