Home / 179,703.48-247,986.84-99,131.07

Finding the Fourth Proportional to 179,703.48, 247,986.84 and 99,131.07

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Solution

The fourth proportional to 179,703.48, 247,986.84 and 99,131.07 is: 136,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.48 : 247,986.84 = 99,131.07 : x
  2. Step 2: Convert to fraction form
    179,703.48/247,986.84 = 99,131.07/x
  3. Step 3: Cross multiply
    179,703.48x = 247,986.84 × 99,131.07
  4. Step 4: Simplify right side
    179,703.48x = 24,583,200,795.12
  5. Step 5: Solve for x
    x = 24,583,200,795.12/179,703.48
  6. Step 6: Final answer
    x = 136,798.69

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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.