Home / 142,319.15-213,413.10-42,453.44

Finding the Fourth Proportional to 142,319.15, 213,413.10 and 42,453.44

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Solution

The fourth proportional to 142,319.15, 213,413.10 and 42,453.44 is: 63,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,319.15 : 213,413.10 = 42,453.44 : x
  2. Step 2: Convert to fraction form
    142,319.15/213,413.10 = 42,453.44/x
  3. Step 3: Cross multiply
    142,319.15x = 213,413.10 × 42,453.44
  4. Step 4: Simplify right side
    142,319.15x = 9,060,120,236.06
  5. Step 5: Solve for x
    x = 9,060,120,236.06/142,319.15
  6. Step 6: Final answer
    x = 63,660.58

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1.5x scale

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.