Home / 163,788.68-245,821.26-113,158.28

Finding the Fourth Proportional to 163,788.68, 245,821.26 and 113,158.28

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Solution

The fourth proportional to 163,788.68, 245,821.26 and 113,158.28 is: 169,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,788.68 : 245,821.26 = 113,158.28 : x
  2. Step 2: Convert to fraction form
    163,788.68/245,821.26 = 113,158.28/x
  3. Step 3: Cross multiply
    163,788.68x = 245,821.26 × 113,158.28
  4. Step 4: Simplify right side
    163,788.68x = 27,816,710,969.03
  5. Step 5: Solve for x
    x = 27,816,710,969.03/163,788.68
  6. Step 6: Final answer
    x = 169,832.93

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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.