Home / 229,118.42-316,175.06-127,148.33

Finding the Fourth Proportional to 229,118.42, 316,175.06 and 127,148.33

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Solution

The fourth proportional to 229,118.42, 316,175.06 and 127,148.33 is: 175,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,118.42 : 316,175.06 = 127,148.33 : x
  2. Step 2: Convert to fraction form
    229,118.42/316,175.06 = 127,148.33/x
  3. Step 3: Cross multiply
    229,118.42x = 316,175.06 × 127,148.33
  4. Step 4: Simplify right side
    229,118.42x = 40,201,131,974.96
  5. Step 5: Solve for x
    x = 40,201,131,974.96/229,118.42
  6. Step 6: Final answer
    x = 175,460.06

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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.