Home / 145,879.24-218,855.76-40,698.16

Finding the Fourth Proportional to 145,879.24, 218,855.76 and 40,698.16

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Solution

The fourth proportional to 145,879.24, 218,855.76 and 40,698.16 is: 61,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,879.24 : 218,855.76 = 40,698.16 : x
  2. Step 2: Convert to fraction form
    145,879.24/218,855.76 = 40,698.16/x
  3. Step 3: Cross multiply
    145,879.24x = 218,855.76 × 40,698.16
  4. Step 4: Simplify right side
    145,879.24x = 8,907,026,737.40
  5. Step 5: Solve for x
    x = 8,907,026,737.40/145,879.24
  6. Step 6: Final answer
    x = 61,057.53

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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.