Home / 108,068.21-162,102.31-55,444.13

Finding the Fourth Proportional to 108,068.21, 162,102.31 and 55,444.13

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Solution

The fourth proportional to 108,068.21, 162,102.31 and 55,444.13 is: 83,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,068.21 : 162,102.31 = 55,444.13 : x
  2. Step 2: Convert to fraction form
    108,068.21/162,102.31 = 55,444.13/x
  3. Step 3: Cross multiply
    108,068.21x = 162,102.31 × 55,444.13
  4. Step 4: Simplify right side
    108,068.21x = 8,987,620,738.43
  5. Step 5: Solve for x
    x = 8,987,620,738.43/108,068.21
  6. Step 6: Final answer
    x = 83,166.19

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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.