Home / 130,413.63-195,488.10-74,137.47

Finding the Fourth Proportional to 130,413.63, 195,488.10 and 74,137.47

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Solution

The fourth proportional to 130,413.63, 195,488.10 and 74,137.47 is: 111,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.63 : 195,488.10 = 74,137.47 : x
  2. Step 2: Convert to fraction form
    130,413.63/195,488.10 = 74,137.47/x
  3. Step 3: Cross multiply
    130,413.63x = 195,488.10 × 74,137.47
  4. Step 4: Simplify right side
    130,413.63x = 14,492,993,149.11
  5. Step 5: Solve for x
    x = 14,492,993,149.11/130,413.63
  6. Step 6: Final answer
    x = 111,130.97

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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.