Home / 142,413.24-213,568.80-42,554.84

Finding the Fourth Proportional to 142,413.24, 213,568.80 and 42,554.84

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Solution

The fourth proportional to 142,413.24, 213,568.80 and 42,554.84 is: 63,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,413.24 : 213,568.80 = 42,554.84 : x
  2. Step 2: Convert to fraction form
    142,413.24/213,568.80 = 42,554.84/x
  3. Step 3: Cross multiply
    142,413.24x = 213,568.80 × 42,554.84
  4. Step 4: Simplify right side
    142,413.24x = 9,088,386,112.99
  5. Step 5: Solve for x
    x = 9,088,386,112.99/142,413.24
  6. Step 6: Final answer
    x = 63,817.00

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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.