Home / 163,744.08-245,616.10-45,415.42

Finding the Fourth Proportional to 163,744.08, 245,616.10 and 45,415.42

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Solution

The fourth proportional to 163,744.08, 245,616.10 and 45,415.42 is: 68,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,744.08 : 245,616.10 = 45,415.42 : x
  2. Step 2: Convert to fraction form
    163,744.08/245,616.10 = 45,415.42/x
  3. Step 3: Cross multiply
    163,744.08x = 245,616.10 × 45,415.42
  4. Step 4: Simplify right side
    163,744.08x = 11,154,758,340.26
  5. Step 5: Solve for x
    x = 11,154,758,340.26/163,744.08
  6. Step 6: Final answer
    x = 68,123.12

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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.