Home / 103,616.24-142,995.66-61,173.86

Finding the Fourth Proportional to 103,616.24, 142,995.66 and 61,173.86

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Solution

The fourth proportional to 103,616.24, 142,995.66 and 61,173.86 is: 84,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.24 : 142,995.66 = 61,173.86 : x
  2. Step 2: Convert to fraction form
    103,616.24/142,995.66 = 61,173.86/x
  3. Step 3: Cross multiply
    103,616.24x = 142,995.66 × 61,173.86
  4. Step 4: Simplify right side
    103,616.24x = 8,747,596,485.45
  5. Step 5: Solve for x
    x = 8,747,596,485.45/103,616.24
  6. Step 6: Final answer
    x = 84,423.03

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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.