Home / 155,242.80-214,316.64-104,522.22

Finding the Fourth Proportional to 155,242.80, 214,316.64 and 104,522.22

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Solution

The fourth proportional to 155,242.80, 214,316.64 and 104,522.22 is: 144,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,242.80 : 214,316.64 = 104,522.22 : x
  2. Step 2: Convert to fraction form
    155,242.80/214,316.64 = 104,522.22/x
  3. Step 3: Cross multiply
    155,242.80x = 214,316.64 × 104,522.22
  4. Step 4: Simplify right side
    155,242.80x = 22,400,850,995.74
  5. Step 5: Solve for x
    x = 22,400,850,995.74/155,242.80
  6. Step 6: Final answer
    x = 144,295.59

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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.