Home / 146,412.83-202,048.29-81,881.35

Finding the Fourth Proportional to 146,412.83, 202,048.29 and 81,881.35

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Solution

The fourth proportional to 146,412.83, 202,048.29 and 81,881.35 is: 112,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,412.83 : 202,048.29 = 81,881.35 : x
  2. Step 2: Convert to fraction form
    146,412.83/202,048.29 = 81,881.35/x
  3. Step 3: Cross multiply
    146,412.83x = 202,048.29 × 81,881.35
  4. Step 4: Simplify right side
    146,412.83x = 16,543,986,245.27
  5. Step 5: Solve for x
    x = 16,543,986,245.27/146,412.83
  6. Step 6: Final answer
    x = 112,995.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.