Home / 126,814.14-174,999.21-72,369.32

Finding the Fourth Proportional to 126,814.14, 174,999.21 and 72,369.32

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Solution

The fourth proportional to 126,814.14, 174,999.21 and 72,369.32 is: 99,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.14 : 174,999.21 = 72,369.32 : x
  2. Step 2: Convert to fraction form
    126,814.14/174,999.21 = 72,369.32/x
  3. Step 3: Cross multiply
    126,814.14x = 174,999.21 × 72,369.32
  4. Step 4: Simplify right side
    126,814.14x = 12,664,572,953.24
  5. Step 5: Solve for x
    x = 12,664,572,953.24/126,814.14
  6. Step 6: Final answer
    x = 99,867.20

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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.