Home / 142,217.20-213,254.16-47,413.76

Finding the Fourth Proportional to 142,217.20, 213,254.16 and 47,413.76

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Solution

The fourth proportional to 142,217.20, 213,254.16 and 47,413.76 is: 71,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,217.20 : 213,254.16 = 47,413.76 : x
  2. Step 2: Convert to fraction form
    142,217.20/213,254.16 = 47,413.76/x
  3. Step 3: Cross multiply
    142,217.20x = 213,254.16 × 47,413.76
  4. Step 4: Simplify right side
    142,217.20x = 10,111,181,561.24
  5. Step 5: Solve for x
    x = 10,111,181,561.24/142,217.20
  6. Step 6: Final answer
    x = 71,096.76

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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.