Home / 140,454.72-210,703.11-51,701.46

Finding the Fourth Proportional to 140,454.72, 210,703.11 and 51,701.46

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Solution

The fourth proportional to 140,454.72, 210,703.11 and 51,701.46 is: 77,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.72 : 210,703.11 = 51,701.46 : x
  2. Step 2: Convert to fraction form
    140,454.72/210,703.11 = 51,701.46/x
  3. Step 3: Cross multiply
    140,454.72x = 210,703.11 × 51,701.46
  4. Step 4: Simplify right side
    140,454.72x = 10,893,658,413.54
  5. Step 5: Solve for x
    x = 10,893,658,413.54/140,454.72
  6. Step 6: Final answer
    x = 77,559.93

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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.