Home / 145,323.22-217,984.54-40,141.88

Finding the Fourth Proportional to 145,323.22, 217,984.54 and 40,141.88

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Solution

The fourth proportional to 145,323.22, 217,984.54 and 40,141.88 is: 60,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,323.22 : 217,984.54 = 40,141.88 : x
  2. Step 2: Convert to fraction form
    145,323.22/217,984.54 = 40,141.88/x
  3. Step 3: Cross multiply
    145,323.22x = 217,984.54 × 40,141.88
  4. Step 4: Simplify right side
    145,323.22x = 8,750,309,246.54
  5. Step 5: Solve for x
    x = 8,750,309,246.54/145,323.22
  6. Step 6: Final answer
    x = 60,212.74

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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.