Home / 163,346.04-225,441.96-99,720.84

Finding the Fourth Proportional to 163,346.04, 225,441.96 and 99,720.84

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Solution

The fourth proportional to 163,346.04, 225,441.96 and 99,720.84 is: 137,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,346.04 : 225,441.96 = 99,720.84 : x
  2. Step 2: Convert to fraction form
    163,346.04/225,441.96 = 99,720.84/x
  3. Step 3: Cross multiply
    163,346.04x = 225,441.96 × 99,720.84
  4. Step 4: Simplify right side
    163,346.04x = 22,481,261,622.45
  5. Step 5: Solve for x
    x = 22,481,261,622.45/163,346.04
  6. Step 6: Final answer
    x = 137,629.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.