Home / 229,007.07-316,034.82-127,029.20

Finding the Fourth Proportional to 229,007.07, 316,034.82 and 127,029.20

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Solution

The fourth proportional to 229,007.07, 316,034.82 and 127,029.20 is: 175,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.07 : 316,034.82 = 127,029.20 : x
  2. Step 2: Convert to fraction form
    229,007.07/316,034.82 = 127,029.20/x
  3. Step 3: Cross multiply
    229,007.07x = 316,034.82 × 127,029.20
  4. Step 4: Simplify right side
    229,007.07x = 40,145,651,146.83
  5. Step 5: Solve for x
    x = 40,145,651,146.83/229,007.07
  6. Step 6: Final answer
    x = 175,303.11

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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.