Home / 131,889.04-182,019.90-75,308.92

Finding the Fourth Proportional to 131,889.04, 182,019.90 and 75,308.92

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Solution

The fourth proportional to 131,889.04, 182,019.90 and 75,308.92 is: 103,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.04 : 182,019.90 = 75,308.92 : x
  2. Step 2: Convert to fraction form
    131,889.04/182,019.90 = 75,308.92/x
  3. Step 3: Cross multiply
    131,889.04x = 182,019.90 × 75,308.92
  4. Step 4: Simplify right side
    131,889.04x = 13,707,722,087.51
  5. Step 5: Solve for x
    x = 13,707,722,087.51/131,889.04
  6. Step 6: Final answer
    x = 103,933.75

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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.