Home / 107,848.20-161,868.30-63,419.40

Finding the Fourth Proportional to 107,848.20, 161,868.30 and 63,419.40

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Solution

The fourth proportional to 107,848.20, 161,868.30 and 63,419.40 is: 95,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.20 : 161,868.30 = 63,419.40 : x
  2. Step 2: Convert to fraction form
    107,848.20/161,868.30 = 63,419.40/x
  3. Step 3: Cross multiply
    107,848.20x = 161,868.30 × 63,419.40
  4. Step 4: Simplify right side
    107,848.20x = 10,265,590,465.02
  5. Step 5: Solve for x
    x = 10,265,590,465.02/107,848.20
  6. Step 6: Final answer
    x = 95,185.55

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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.