Home / 145,275.44-217,896.84-40,109.36

Finding the Fourth Proportional to 145,275.44, 217,896.84 and 40,109.36

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Solution

The fourth proportional to 145,275.44, 217,896.84 and 40,109.36 is: 60,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,275.44 : 217,896.84 = 40,109.36 : x
  2. Step 2: Convert to fraction form
    145,275.44/217,896.84 = 40,109.36/x
  3. Step 3: Cross multiply
    145,275.44x = 217,896.84 × 40,109.36
  4. Step 4: Simplify right side
    145,275.44x = 8,739,702,798.42
  5. Step 5: Solve for x
    x = 8,739,702,798.42/145,275.44
  6. Step 6: Final answer
    x = 60,159.53

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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.