Home / 152,413.28-210,312.96-88,737.60

Finding the Fourth Proportional to 152,413.28, 210,312.96 and 88,737.60

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Solution

The fourth proportional to 152,413.28, 210,312.96 and 88,737.60 is: 122,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,413.28 : 210,312.96 = 88,737.60 : x
  2. Step 2: Convert to fraction form
    152,413.28/210,312.96 = 88,737.60/x
  3. Step 3: Cross multiply
    152,413.28x = 210,312.96 × 88,737.60
  4. Step 4: Simplify right side
    152,413.28x = 18,662,667,319.30
  5. Step 5: Solve for x
    x = 18,662,667,319.30/152,413.28
  6. Step 6: Final answer
    x = 122,447.78

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1.5x scale

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.