Home / 112,413.40-168,629.70-38,541.40

Finding the Fourth Proportional to 112,413.40, 168,629.70 and 38,541.40

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Solution

The fourth proportional to 112,413.40, 168,629.70 and 38,541.40 is: 57,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,413.40 : 168,629.70 = 38,541.40 : x
  2. Step 2: Convert to fraction form
    112,413.40/168,629.70 = 38,541.40/x
  3. Step 3: Cross multiply
    112,413.40x = 168,629.70 × 38,541.40
  4. Step 4: Simplify right side
    112,413.40x = 6,499,224,719.58
  5. Step 5: Solve for x
    x = 6,499,224,719.58/112,413.40
  6. Step 6: Final answer
    x = 57,815.39

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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.