Home / 141,842.32-212,812.08-48,413.68

Finding the Fourth Proportional to 141,842.32, 212,812.08 and 48,413.68

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Solution

The fourth proportional to 141,842.32, 212,812.08 and 48,413.68 is: 72,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,842.32 : 212,812.08 = 48,413.68 : x
  2. Step 2: Convert to fraction form
    141,842.32/212,812.08 = 48,413.68/x
  3. Step 3: Cross multiply
    141,842.32x = 212,812.08 × 48,413.68
  4. Step 4: Simplify right side
    141,842.32x = 10,303,015,227.67
  5. Step 5: Solve for x
    x = 10,303,015,227.67/141,842.32
  6. Step 6: Final answer
    x = 72,637.10

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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.