Home / 115,262.34-172,914.29-52,112.19

Finding the Fourth Proportional to 115,262.34, 172,914.29 and 52,112.19

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Solution

The fourth proportional to 115,262.34, 172,914.29 and 52,112.19 is: 78,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.34 : 172,914.29 = 52,112.19 : x
  2. Step 2: Convert to fraction form
    115,262.34/172,914.29 = 52,112.19/x
  3. Step 3: Cross multiply
    115,262.34x = 172,914.29 × 52,112.19
  4. Step 4: Simplify right side
    115,262.34x = 9,010,941,751.65
  5. Step 5: Solve for x
    x = 9,010,941,751.65/115,262.34
  6. Step 6: Final answer
    x = 78,177.67

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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.