Home / 209,723.13-289,417.80-114,229.86

Finding the Fourth Proportional to 209,723.13, 289,417.80 and 114,229.86

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Solution

The fourth proportional to 209,723.13, 289,417.80 and 114,229.86 is: 157,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,723.13 : 289,417.80 = 114,229.86 : x
  2. Step 2: Convert to fraction form
    209,723.13/289,417.80 = 114,229.86/x
  3. Step 3: Cross multiply
    209,723.13x = 289,417.80 × 114,229.86
  4. Step 4: Simplify right side
    209,723.13x = 33,060,154,775.51
  5. Step 5: Solve for x
    x = 33,060,154,775.51/209,723.13
  6. Step 6: Final answer
    x = 157,637.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.