Home / 105,758.12-145,953.62-60,442.80

Finding the Fourth Proportional to 105,758.12, 145,953.62 and 60,442.80

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Solution

The fourth proportional to 105,758.12, 145,953.62 and 60,442.80 is: 83,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,758.12 : 145,953.62 = 60,442.80 : x
  2. Step 2: Convert to fraction form
    105,758.12/145,953.62 = 60,442.80/x
  3. Step 3: Cross multiply
    105,758.12x = 145,953.62 × 60,442.80
  4. Step 4: Simplify right side
    105,758.12x = 8,821,845,462.94
  5. Step 5: Solve for x
    x = 8,821,845,462.94/105,758.12
  6. Step 6: Final answer
    x = 83,415.31

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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.