Home / 105,621.09-158,423.94-39,030.18

Finding the Fourth Proportional to 105,621.09, 158,423.94 and 39,030.18

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Solution

The fourth proportional to 105,621.09, 158,423.94 and 39,030.18 is: 58,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,621.09 : 158,423.94 = 39,030.18 : x
  2. Step 2: Convert to fraction form
    105,621.09/158,423.94 = 39,030.18/x
  3. Step 3: Cross multiply
    105,621.09x = 158,423.94 × 39,030.18
  4. Step 4: Simplify right side
    105,621.09x = 6,183,314,894.51
  5. Step 5: Solve for x
    x = 6,183,314,894.51/105,621.09
  6. Step 6: Final answer
    x = 58,542.43

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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.