Home / 114,865.12-158,490.64-67,109.24

Finding the Fourth Proportional to 114,865.12, 158,490.64 and 67,109.24

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Solution

The fourth proportional to 114,865.12, 158,490.64 and 67,109.24 is: 92,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,865.12 : 158,490.64 = 67,109.24 : x
  2. Step 2: Convert to fraction form
    114,865.12/158,490.64 = 67,109.24/x
  3. Step 3: Cross multiply
    114,865.12x = 158,490.64 × 67,109.24
  4. Step 4: Simplify right side
    114,865.12x = 10,636,186,625.97
  5. Step 5: Solve for x
    x = 10,636,186,625.97/114,865.12
  6. Step 6: Final answer
    x = 92,597.18

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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.