Home / 163,443.11-245,178.74-45,114.45

Finding the Fourth Proportional to 163,443.11, 245,178.74 and 45,114.45

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Solution

The fourth proportional to 163,443.11, 245,178.74 and 45,114.45 is: 67,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,443.11 : 245,178.74 = 45,114.45 : x
  2. Step 2: Convert to fraction form
    163,443.11/245,178.74 = 45,114.45/x
  3. Step 3: Cross multiply
    163,443.11x = 245,178.74 × 45,114.45
  4. Step 4: Simplify right side
    163,443.11x = 11,061,103,781.22
  5. Step 5: Solve for x
    x = 11,061,103,781.22/163,443.11
  6. Step 6: Final answer
    x = 67,675.56

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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.