Home / 281,805.20-423,083.10-163,561.40

Finding the Fourth Proportional to 281,805.20, 423,083.10 and 163,561.40

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Solution

The fourth proportional to 281,805.20, 423,083.10 and 163,561.40 is: 245,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,805.20 : 423,083.10 = 163,561.40 : x
  2. Step 2: Convert to fraction form
    281,805.20/423,083.10 = 163,561.40/x
  3. Step 3: Cross multiply
    281,805.20x = 423,083.10 × 163,561.40
  4. Step 4: Simplify right side
    281,805.20x = 69,200,064,152.34
  5. Step 5: Solve for x
    x = 69,200,064,152.34/281,805.20
  6. Step 6: Final answer
    x = 245,559.93

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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.