Home / 106,263.46-158,140.71-102,719.98

Finding the Fourth Proportional to 106,263.46, 158,140.71 and 102,719.98

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Solution

The fourth proportional to 106,263.46, 158,140.71 and 102,719.98 is: 152,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,263.46 : 158,140.71 = 102,719.98 : x
  2. Step 2: Convert to fraction form
    106,263.46/158,140.71 = 102,719.98/x
  3. Step 3: Cross multiply
    106,263.46x = 158,140.71 × 102,719.98
  4. Step 4: Simplify right side
    106,263.46x = 16,244,210,568.39
  5. Step 5: Solve for x
    x = 16,244,210,568.39/106,263.46
  6. Step 6: Final answer
    x = 152,867.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.