Home / 189,413.52-284,071.02-56,257.98

Finding the Fourth Proportional to 189,413.52, 284,071.02 and 56,257.98

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Solution

The fourth proportional to 189,413.52, 284,071.02 and 56,257.98 is: 84,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,413.52 : 284,071.02 = 56,257.98 : x
  2. Step 2: Convert to fraction form
    189,413.52/284,071.02 = 56,257.98/x
  3. Step 3: Cross multiply
    189,413.52x = 284,071.02 × 56,257.98
  4. Step 4: Simplify right side
    189,413.52x = 15,981,261,761.74
  5. Step 5: Solve for x
    x = 15,981,261,761.74/189,413.52
  6. Step 6: Final answer
    x = 84,372.34

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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.