Home / 126,716.24-190,116.58-42,484.72

Finding the Fourth Proportional to 126,716.24, 190,116.58 and 42,484.72

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Solution

The fourth proportional to 126,716.24, 190,116.58 and 42,484.72 is: 63,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,716.24 : 190,116.58 = 42,484.72 : x
  2. Step 2: Convert to fraction form
    126,716.24/190,116.58 = 42,484.72/x
  3. Step 3: Cross multiply
    126,716.24x = 190,116.58 × 42,484.72
  4. Step 4: Simplify right side
    126,716.24x = 8,077,049,668.66
  5. Step 5: Solve for x
    x = 8,077,049,668.66/126,716.24
  6. Step 6: Final answer
    x = 63,741.24

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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.