Home / 101,735.04-140,391.84-56,413.20

Finding the Fourth Proportional to 101,735.04, 140,391.84 and 56,413.20

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Solution

The fourth proportional to 101,735.04, 140,391.84 and 56,413.20 is: 77,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,735.04 : 140,391.84 = 56,413.20 : x
  2. Step 2: Convert to fraction form
    101,735.04/140,391.84 = 56,413.20/x
  3. Step 3: Cross multiply
    101,735.04x = 140,391.84 × 56,413.20
  4. Step 4: Simplify right side
    101,735.04x = 7,919,952,948.29
  5. Step 5: Solve for x
    x = 7,919,952,948.29/101,735.04
  6. Step 6: Final answer
    x = 77,848.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.