Home / 105,313.40-157,929.58-82,868.24

Finding the Fourth Proportional to 105,313.40, 157,929.58 and 82,868.24

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Solution

The fourth proportional to 105,313.40, 157,929.58 and 82,868.24 is: 124,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,313.40 : 157,929.58 = 82,868.24 : x
  2. Step 2: Convert to fraction form
    105,313.40/157,929.58 = 82,868.24/x
  3. Step 3: Cross multiply
    105,313.40x = 157,929.58 × 82,868.24
  4. Step 4: Simplify right side
    105,313.40x = 13,087,346,338.54
  5. Step 5: Solve for x
    x = 13,087,346,338.54/105,313.40
  6. Step 6: Final answer
    x = 124,270.48

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1.5x scale

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.