Home / 108,329.28-162,563.16-45,999.72

Finding the Fourth Proportional to 108,329.28, 162,563.16 and 45,999.72

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Solution

The fourth proportional to 108,329.28, 162,563.16 and 45,999.72 is: 69,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,329.28 : 162,563.16 = 45,999.72 : x
  2. Step 2: Convert to fraction form
    108,329.28/162,563.16 = 45,999.72/x
  3. Step 3: Cross multiply
    108,329.28x = 162,563.16 × 45,999.72
  4. Step 4: Simplify right side
    108,329.28x = 7,477,859,842.32
  5. Step 5: Solve for x
    x = 7,477,859,842.32/108,329.28
  6. Step 6: Final answer
    x = 69,028.98

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1.5x scale

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.