Home / 229,018.32-316,046.34-127,036.68

Finding the Fourth Proportional to 229,018.32, 316,046.34 and 127,036.68

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Solution

The fourth proportional to 229,018.32, 316,046.34 and 127,036.68 is: 175,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,018.32 : 316,046.34 = 127,036.68 : x
  2. Step 2: Convert to fraction form
    229,018.32/316,046.34 = 127,036.68/x
  3. Step 3: Cross multiply
    229,018.32x = 316,046.34 × 127,036.68
  4. Step 4: Simplify right side
    229,018.32x = 40,149,477,759.75
  5. Step 5: Solve for x
    x = 40,149,477,759.75/229,018.32
  6. Step 6: Final answer
    x = 175,311.21

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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.