Home / 106,079.07-146,392.88-58,336.05

Finding the Fourth Proportional to 106,079.07, 146,392.88 and 58,336.05

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Solution

The fourth proportional to 106,079.07, 146,392.88 and 58,336.05 is: 80,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,079.07 : 146,392.88 = 58,336.05 : x
  2. Step 2: Convert to fraction form
    106,079.07/146,392.88 = 58,336.05/x
  3. Step 3: Cross multiply
    106,079.07x = 146,392.88 × 58,336.05
  4. Step 4: Simplify right side
    106,079.07x = 8,539,982,075.64
  5. Step 5: Solve for x
    x = 8,539,982,075.64/106,079.07
  6. Step 6: Final answer
    x = 80,505.82

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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.