Home / 105,848.64-146,031.84-75,637.44

Finding the Fourth Proportional to 105,848.64, 146,031.84 and 75,637.44

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Solution

The fourth proportional to 105,848.64, 146,031.84 and 75,637.44 is: 104,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,848.64 : 146,031.84 = 75,637.44 : x
  2. Step 2: Convert to fraction form
    105,848.64/146,031.84 = 75,637.44/x
  3. Step 3: Cross multiply
    105,848.64x = 146,031.84 × 75,637.44
  4. Step 4: Simplify right side
    105,848.64x = 11,045,474,536.09
  5. Step 5: Solve for x
    x = 11,045,474,536.09/105,848.64
  6. Step 6: Final answer
    x = 104,351.60

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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.