Home / 134,309.43-185,360.61-76,956.36

Finding the Fourth Proportional to 134,309.43, 185,360.61 and 76,956.36

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Solution

The fourth proportional to 134,309.43, 185,360.61 and 76,956.36 is: 106,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309.43 : 185,360.61 = 76,956.36 : x
  2. Step 2: Convert to fraction form
    134,309.43/185,360.61 = 76,956.36/x
  3. Step 3: Cross multiply
    134,309.43x = 185,360.61 × 76,956.36
  4. Step 4: Simplify right side
    134,309.43x = 14,264,677,832.98
  5. Step 5: Solve for x
    x = 14,264,677,832.98/134,309.43
  6. Step 6: Final answer
    x = 106,207.57

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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.