Home / 142,425.32-213,451.04-104,809.28

Finding the Fourth Proportional to 142,425.32, 213,451.04 and 104,809.28

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Solution

The fourth proportional to 142,425.32, 213,451.04 and 104,809.28 is: 157,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,425.32 : 213,451.04 = 104,809.28 : x
  2. Step 2: Convert to fraction form
    142,425.32/213,451.04 = 104,809.28/x
  3. Step 3: Cross multiply
    142,425.32x = 213,451.04 × 104,809.28
  4. Step 4: Simplify right side
    142,425.32x = 22,371,649,817.65
  5. Step 5: Solve for x
    x = 22,371,649,817.65/142,425.32
  6. Step 6: Final answer
    x = 157,076.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.