Home / 108,109.22-162,164.40-70,904.89

Finding the Fourth Proportional to 108,109.22, 162,164.40 and 70,904.89

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Solution

The fourth proportional to 108,109.22, 162,164.40 and 70,904.89 is: 106,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109.22 : 162,164.40 = 70,904.89 : x
  2. Step 2: Convert to fraction form
    108,109.22/162,164.40 = 70,904.89/x
  3. Step 3: Cross multiply
    108,109.22x = 162,164.40 × 70,904.89
  4. Step 4: Simplify right side
    108,109.22x = 11,498,248,538.51
  5. Step 5: Solve for x
    x = 11,498,248,538.51/108,109.22
  6. Step 6: Final answer
    x = 106,357.71

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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.