Home / 115,410.70-173,011.56-45,271.18

Finding the Fourth Proportional to 115,410.70, 173,011.56 and 45,271.18

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Solution

The fourth proportional to 115,410.70, 173,011.56 and 45,271.18 is: 67,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,410.70 : 173,011.56 = 45,271.18 : x
  2. Step 2: Convert to fraction form
    115,410.70/173,011.56 = 45,271.18/x
  3. Step 3: Cross multiply
    115,410.70x = 173,011.56 × 45,271.18
  4. Step 4: Simplify right side
    115,410.70x = 7,832,437,474.84
  5. Step 5: Solve for x
    x = 7,832,437,474.84/115,410.70
  6. Step 6: Final answer
    x = 67,865.78

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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.