Home / 103,485.24-142,811.82-58,772.28

Finding the Fourth Proportional to 103,485.24, 142,811.82 and 58,772.28

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Solution

The fourth proportional to 103,485.24, 142,811.82 and 58,772.28 is: 81,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.24 : 142,811.82 = 58,772.28 : x
  2. Step 2: Convert to fraction form
    103,485.24/142,811.82 = 58,772.28/x
  3. Step 3: Cross multiply
    103,485.24x = 142,811.82 × 58,772.28
  4. Step 4: Simplify right side
    103,485.24x = 8,393,376,272.35
  5. Step 5: Solve for x
    x = 8,393,376,272.35/103,485.24
  6. Step 6: Final answer
    x = 81,106.99

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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.