Home / 176,727.40-264,896.70-76,870.60

Finding the Fourth Proportional to 176,727.40, 264,896.70 and 76,870.60

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Solution

The fourth proportional to 176,727.40, 264,896.70 and 76,870.60 is: 115,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,727.40 : 264,896.70 = 76,870.60 : x
  2. Step 2: Convert to fraction form
    176,727.40/264,896.70 = 76,870.60/x
  3. Step 3: Cross multiply
    176,727.40x = 264,896.70 × 76,870.60
  4. Step 4: Simplify right side
    176,727.40x = 20,362,768,267.02
  5. Step 5: Solve for x
    x = 20,362,768,267.02/176,727.40
  6. Step 6: Final answer
    x = 115,221.34

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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.