Home / 108,036.40-162,071.88-45,707.44

Finding the Fourth Proportional to 108,036.40, 162,071.88 and 45,707.44

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Solution

The fourth proportional to 108,036.40, 162,071.88 and 45,707.44 is: 68,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036.40 : 162,071.88 = 45,707.44 : x
  2. Step 2: Convert to fraction form
    108,036.40/162,071.88 = 45,707.44/x
  3. Step 3: Cross multiply
    108,036.40x = 162,071.88 × 45,707.44
  4. Step 4: Simplify right side
    108,036.40x = 7,407,889,691.89
  5. Step 5: Solve for x
    x = 7,407,889,691.89/108,036.40
  6. Step 6: Final answer
    x = 68,568.46

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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.