Home / 114,717.21-172,185.26-70,430.46

Finding the Fourth Proportional to 114,717.21, 172,185.26 and 70,430.46

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Solution

The fourth proportional to 114,717.21, 172,185.26 and 70,430.46 is: 105,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,717.21 : 172,185.26 = 70,430.46 : x
  2. Step 2: Convert to fraction form
    114,717.21/172,185.26 = 70,430.46/x
  3. Step 3: Cross multiply
    114,717.21x = 172,185.26 × 70,430.46
  4. Step 4: Simplify right side
    114,717.21x = 12,127,086,206.09
  5. Step 5: Solve for x
    x = 12,127,086,206.09/114,717.21
  6. Step 6: Final answer
    x = 105,712.88

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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.