Home / 163,619.74-245,429.94-45,291.43

Finding the Fourth Proportional to 163,619.74, 245,429.94 and 45,291.43

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Solution

The fourth proportional to 163,619.74, 245,429.94 and 45,291.43 is: 67,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,619.74 : 245,429.94 = 45,291.43 : x
  2. Step 2: Convert to fraction form
    163,619.74/245,429.94 = 45,291.43/x
  3. Step 3: Cross multiply
    163,619.74x = 245,429.94 × 45,291.43
  4. Step 4: Simplify right side
    163,619.74x = 11,115,871,720.26
  5. Step 5: Solve for x
    x = 11,115,871,720.26/163,619.74
  6. Step 6: Final answer
    x = 67,937.23

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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.