Home / 145,452.42-218,172.29-45,610.34

Finding the Fourth Proportional to 145,452.42, 218,172.29 and 45,610.34

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Solution

The fourth proportional to 145,452.42, 218,172.29 and 45,610.34 is: 68,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,452.42 : 218,172.29 = 45,610.34 : x
  2. Step 2: Convert to fraction form
    145,452.42/218,172.29 = 45,610.34/x
  3. Step 3: Cross multiply
    145,452.42x = 218,172.29 × 45,610.34
  4. Step 4: Simplify right side
    145,452.42x = 9,950,911,006.57
  5. Step 5: Solve for x
    x = 9,950,911,006.57/145,452.42
  6. Step 6: Final answer
    x = 68,413.51

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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.