Home / 126,216.64-174,176.16-69,628

Finding the Fourth Proportional to 126,216.64, 174,176.16 and 69,628

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Solution

The fourth proportional to 126,216.64, 174,176.16 and 69,628 is: 96,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,216.64 : 174,176.16 = 69,628 : x
  2. Step 2: Convert to fraction form
    126,216.64/174,176.16 = 69,628/x
  3. Step 3: Cross multiply
    126,216.64x = 174,176.16 × 69,628
  4. Step 4: Simplify right side
    126,216.64x = 12,127,537,668.48
  5. Step 5: Solve for x
    x = 12,127,537,668.48/126,216.64
  6. Step 6: Final answer
    x = 96,085.09

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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.