Home / 210,060.72-289,880.26-114,561.72

Finding the Fourth Proportional to 210,060.72, 289,880.26 and 114,561.72

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Solution

The fourth proportional to 210,060.72, 289,880.26 and 114,561.72 is: 158,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,060.72 : 289,880.26 = 114,561.72 : x
  2. Step 2: Convert to fraction form
    210,060.72/289,880.26 = 114,561.72/x
  3. Step 3: Cross multiply
    210,060.72x = 289,880.26 × 114,561.72
  4. Step 4: Simplify right side
    210,060.72x = 33,209,181,179.65
  5. Step 5: Solve for x
    x = 33,209,181,179.65/210,060.72
  6. Step 6: Final answer
    x = 158,093.25

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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.