Home / 103,953.65-143,423.29-63,625.37

Finding the Fourth Proportional to 103,953.65, 143,423.29 and 63,625.37

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Solution

The fourth proportional to 103,953.65, 143,423.29 and 63,625.37 is: 87,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,953.65 : 143,423.29 = 63,625.37 : x
  2. Step 2: Convert to fraction form
    103,953.65/143,423.29 = 63,625.37/x
  3. Step 3: Cross multiply
    103,953.65x = 143,423.29 × 63,625.37
  4. Step 4: Simplify right side
    103,953.65x = 9,125,359,892.87
  5. Step 5: Solve for x
    x = 9,125,359,892.87/103,953.65
  6. Step 6: Final answer
    x = 87,782.97

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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.