Home / 229,175.19-316,255.32-125,809.36

Finding the Fourth Proportional to 229,175.19, 316,255.32 and 125,809.36

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Solution

The fourth proportional to 229,175.19, 316,255.32 and 125,809.36 is: 173,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,175.19 : 316,255.32 = 125,809.36 : x
  2. Step 2: Convert to fraction form
    229,175.19/316,255.32 = 125,809.36/x
  3. Step 3: Cross multiply
    229,175.19x = 316,255.32 × 125,809.36
  4. Step 4: Simplify right side
    229,175.19x = 39,787,878,615.16
  5. Step 5: Solve for x
    x = 39,787,878,615.16/229,175.19
  6. Step 6: Final answer
    x = 173,613.38

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1.5x scale

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.