Home / 163,619.80-245,285.70-110,858.20

Finding the Fourth Proportional to 163,619.80, 245,285.70 and 110,858.20

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Solution

The fourth proportional to 163,619.80, 245,285.70 and 110,858.20 is: 166,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,619.80 : 245,285.70 = 110,858.20 : x
  2. Step 2: Convert to fraction form
    163,619.80/245,285.70 = 110,858.20/x
  3. Step 3: Cross multiply
    163,619.80x = 245,285.70 × 110,858.20
  4. Step 4: Simplify right side
    163,619.80x = 27,191,931,187.74
  5. Step 5: Solve for x
    x = 27,191,931,187.74/163,619.80
  6. Step 6: Final answer
    x = 166,189.73

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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.