Home / 108,358.24-162,858.18-105,413.08

Finding the Fourth Proportional to 108,358.24, 162,858.18 and 105,413.08

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Solution

The fourth proportional to 108,358.24, 162,858.18 and 105,413.08 is: 158,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,358.24 : 162,858.18 = 105,413.08 : x
  2. Step 2: Convert to fraction form
    108,358.24/162,858.18 = 105,413.08/x
  3. Step 3: Cross multiply
    108,358.24x = 162,858.18 × 105,413.08
  4. Step 4: Simplify right side
    108,358.24x = 17,167,382,356.99
  5. Step 5: Solve for x
    x = 17,167,382,356.99/108,358.24
  6. Step 6: Final answer
    x = 158,431.72

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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.