Home / 105,409.77-158,135.81-38,850.23

Finding the Fourth Proportional to 105,409.77, 158,135.81 and 38,850.23

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Solution

The fourth proportional to 105,409.77, 158,135.81 and 38,850.23 is: 58,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,409.77 : 158,135.81 = 38,850.23 : x
  2. Step 2: Convert to fraction form
    105,409.77/158,135.81 = 38,850.23/x
  3. Step 3: Cross multiply
    105,409.77x = 158,135.81 × 38,850.23
  4. Step 4: Simplify right side
    105,409.77x = 6,143,611,604.81
  5. Step 5: Solve for x
    x = 6,143,611,604.81/105,409.77
  6. Step 6: Final answer
    x = 58,283.13

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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.