Home / 163,448.99-245,187.59-45,120.35

Finding the Fourth Proportional to 163,448.99, 245,187.59 and 45,120.35

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Solution

The fourth proportional to 163,448.99, 245,187.59 and 45,120.35 is: 67,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,448.99 : 245,187.59 = 45,120.35 : x
  2. Step 2: Convert to fraction form
    163,448.99/245,187.59 = 45,120.35/x
  3. Step 3: Cross multiply
    163,448.99x = 245,187.59 × 45,120.35
  4. Step 4: Simplify right side
    163,448.99x = 11,062,948,424.92
  5. Step 5: Solve for x
    x = 11,062,948,424.92/163,448.99
  6. Step 6: Final answer
    x = 67,684.41

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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.