Home / 102,185.82-153,276.95-45,986.16

Finding the Fourth Proportional to 102,185.82, 153,276.95 and 45,986.16

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Solution

The fourth proportional to 102,185.82, 153,276.95 and 45,986.16 is: 68,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,185.82 : 153,276.95 = 45,986.16 : x
  2. Step 2: Convert to fraction form
    102,185.82/153,276.95 = 45,986.16/x
  3. Step 3: Cross multiply
    102,185.82x = 153,276.95 × 45,986.16
  4. Step 4: Simplify right side
    102,185.82x = 7,048,618,117.08
  5. Step 5: Solve for x
    x = 7,048,618,117.08/102,185.82
  6. Step 6: Final answer
    x = 68,978.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.