Home / 163,441.06-245,154.93-45,109.36

Finding the Fourth Proportional to 163,441.06, 245,154.93 and 45,109.36

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Solution

The fourth proportional to 163,441.06, 245,154.93 and 45,109.36 is: 67,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,441.06 : 245,154.93 = 45,109.36 : x
  2. Step 2: Convert to fraction form
    163,441.06/245,154.93 = 45,109.36/x
  3. Step 3: Cross multiply
    163,441.06x = 245,154.93 × 45,109.36
  4. Step 4: Simplify right side
    163,441.06x = 11,058,781,993.14
  5. Step 5: Solve for x
    x = 11,058,781,993.14/163,441.06
  6. Step 6: Final answer
    x = 67,662.20

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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.