Home / 108,536.10-162,804.15-73,106.70

Finding the Fourth Proportional to 108,536.10, 162,804.15 and 73,106.70

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Solution

The fourth proportional to 108,536.10, 162,804.15 and 73,106.70 is: 109,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,536.10 : 162,804.15 = 73,106.70 : x
  2. Step 2: Convert to fraction form
    108,536.10/162,804.15 = 73,106.70/x
  3. Step 3: Cross multiply
    108,536.10x = 162,804.15 × 73,106.70
  4. Step 4: Simplify right side
    108,536.10x = 11,902,074,152.81
  5. Step 5: Solve for x
    x = 11,902,074,152.81/108,536.10
  6. Step 6: Final answer
    x = 109,660.05

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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.