Home / 137,283.04-189,453.78-76,852.12

Finding the Fourth Proportional to 137,283.04, 189,453.78 and 76,852.12

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Solution

The fourth proportional to 137,283.04, 189,453.78 and 76,852.12 is: 106,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,283.04 : 189,453.78 = 76,852.12 : x
  2. Step 2: Convert to fraction form
    137,283.04/189,453.78 = 76,852.12/x
  3. Step 3: Cross multiply
    137,283.04x = 189,453.78 × 76,852.12
  4. Step 4: Simplify right side
    137,283.04x = 14,559,924,635.01
  5. Step 5: Solve for x
    x = 14,559,924,635.01/137,283.04
  6. Step 6: Final answer
    x = 106,057.71

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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.