Home / 147,039.44-220,541.62-40,434.23

Finding the Fourth Proportional to 147,039.44, 220,541.62 and 40,434.23

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Solution

The fourth proportional to 147,039.44, 220,541.62 and 40,434.23 is: 60,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,039.44 : 220,541.62 = 40,434.23 : x
  2. Step 2: Convert to fraction form
    147,039.44/220,541.62 = 40,434.23/x
  3. Step 3: Cross multiply
    147,039.44x = 220,541.62 × 40,434.23
  4. Step 4: Simplify right side
    147,039.44x = 8,917,430,587.65
  5. Step 5: Solve for x
    x = 8,917,430,587.65/147,039.44
  6. Step 6: Final answer
    x = 60,646.52

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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.