Home / 137,828.64-190,104.12-126,534

Finding the Fourth Proportional to 137,828.64, 190,104.12 and 126,534

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Solution

The fourth proportional to 137,828.64, 190,104.12 and 126,534 is: 174,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,828.64 : 190,104.12 = 126,534 : x
  2. Step 2: Convert to fraction form
    137,828.64/190,104.12 = 126,534/x
  3. Step 3: Cross multiply
    137,828.64x = 190,104.12 × 126,534
  4. Step 4: Simplify right side
    137,828.64x = 24,054,634,720.08
  5. Step 5: Solve for x
    x = 24,054,634,720.08/137,828.64
  6. Step 6: Final answer
    x = 174,525.66

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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.