Home / 105,920.80-146,173.22-58,175.16

Finding the Fourth Proportional to 105,920.80, 146,173.22 and 58,175.16

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Solution

The fourth proportional to 105,920.80, 146,173.22 and 58,175.16 is: 80,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,920.80 : 146,173.22 = 58,175.16 : x
  2. Step 2: Convert to fraction form
    105,920.80/146,173.22 = 58,175.16/x
  3. Step 3: Cross multiply
    105,920.80x = 146,173.22 × 58,175.16
  4. Step 4: Simplify right side
    105,920.80x = 8,503,650,461.22
  5. Step 5: Solve for x
    x = 8,503,650,461.22/105,920.80
  6. Step 6: Final answer
    x = 80,283.10

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1.5x scale

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.