Home / 114,856.21-172,108.45-77,277.07

Finding the Fourth Proportional to 114,856.21, 172,108.45 and 77,277.07

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Solution

The fourth proportional to 114,856.21, 172,108.45 and 77,277.07 is: 115,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,856.21 : 172,108.45 = 77,277.07 : x
  2. Step 2: Convert to fraction form
    114,856.21/172,108.45 = 77,277.07/x
  3. Step 3: Cross multiply
    114,856.21x = 172,108.45 × 77,277.07
  4. Step 4: Simplify right side
    114,856.21x = 13,300,036,738.24
  5. Step 5: Solve for x
    x = 13,300,036,738.24/114,856.21
  6. Step 6: Final answer
    x = 115,797.28

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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.