Home / 102,085.45-153,075.44-45,877.52

Finding the Fourth Proportional to 102,085.45, 153,075.44 and 45,877.52

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Solution

The fourth proportional to 102,085.45, 153,075.44 and 45,877.52 is: 68,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,085.45 : 153,075.44 = 45,877.52 : x
  2. Step 2: Convert to fraction form
    102,085.45/153,075.44 = 45,877.52/x
  3. Step 3: Cross multiply
    102,085.45x = 153,075.44 × 45,877.52
  4. Step 4: Simplify right side
    102,085.45x = 7,022,722,057.49
  5. Step 5: Solve for x
    x = 7,022,722,057.49/102,085.45
  6. Step 6: Final answer
    x = 68,792.59

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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.