Home / 209,413.13-314,056.91-89,465.24

Finding the Fourth Proportional to 209,413.13, 314,056.91 and 89,465.24

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Solution

The fourth proportional to 209,413.13, 314,056.91 and 89,465.24 is: 134,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,413.13 : 314,056.91 = 89,465.24 : x
  2. Step 2: Convert to fraction form
    209,413.13/314,056.91 = 89,465.24/x
  3. Step 3: Cross multiply
    209,413.13x = 314,056.91 × 89,465.24
  4. Step 4: Simplify right side
    209,413.13x = 28,097,174,809.20
  5. Step 5: Solve for x
    x = 28,097,174,809.20/209,413.13
  6. Step 6: Final answer
    x = 134,171.03

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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.