Home / 242,942.10-364,413.15-76,730.10

Finding the Fourth Proportional to 242,942.10, 364,413.15 and 76,730.10

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Solution

The fourth proportional to 242,942.10, 364,413.15 and 76,730.10 is: 115,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,942.10 : 364,413.15 = 76,730.10 : x
  2. Step 2: Convert to fraction form
    242,942.10/364,413.15 = 76,730.10/x
  3. Step 3: Cross multiply
    242,942.10x = 364,413.15 × 76,730.10
  4. Step 4: Simplify right side
    242,942.10x = 27,961,457,440.82
  5. Step 5: Solve for x
    x = 27,961,457,440.82/242,942.10
  6. Step 6: Final answer
    x = 115,095.15

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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.