Home / 145,413.90-218,133.27-40,232.70

Finding the Fourth Proportional to 145,413.90, 218,133.27 and 40,232.70

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Solution

The fourth proportional to 145,413.90, 218,133.27 and 40,232.70 is: 60,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,413.90 : 218,133.27 = 40,232.70 : x
  2. Step 2: Convert to fraction form
    145,413.90/218,133.27 = 40,232.70/x
  3. Step 3: Cross multiply
    145,413.90x = 218,133.27 × 40,232.70
  4. Step 4: Simplify right side
    145,413.90x = 8,776,090,411.93
  5. Step 5: Solve for x
    x = 8,776,090,411.93/145,413.90
  6. Step 6: Final answer
    x = 60,352.49

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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.