Home / 113,983.32-157,340.88-102,025.56

Finding the Fourth Proportional to 113,983.32, 157,340.88 and 102,025.56

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Solution

The fourth proportional to 113,983.32, 157,340.88 and 102,025.56 is: 140,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,983.32 : 157,340.88 = 102,025.56 : x
  2. Step 2: Convert to fraction form
    113,983.32/157,340.88 = 102,025.56/x
  3. Step 3: Cross multiply
    113,983.32x = 157,340.88 × 102,025.56
  4. Step 4: Simplify right side
    113,983.32x = 16,052,791,392.89
  5. Step 5: Solve for x
    x = 16,052,791,392.89/113,983.32
  6. Step 6: Final answer
    x = 140,834.57

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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.