Home / 129,762.31-194,633.74-36,275.35

Finding the Fourth Proportional to 129,762.31, 194,633.74 and 36,275.35

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Solution

The fourth proportional to 129,762.31, 194,633.74 and 36,275.35 is: 54,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,762.31 : 194,633.74 = 36,275.35 : x
  2. Step 2: Convert to fraction form
    129,762.31/194,633.74 = 36,275.35/x
  3. Step 3: Cross multiply
    129,762.31x = 194,633.74 × 36,275.35
  4. Step 4: Simplify right side
    129,762.31x = 7,060,407,040.31
  5. Step 5: Solve for x
    x = 7,060,407,040.31/129,762.31
  6. Step 6: Final answer
    x = 54,410.31

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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.