Home / 155,086.48-214,127.40-104,176.72

Finding the Fourth Proportional to 155,086.48, 214,127.40 and 104,176.72

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Solution

The fourth proportional to 155,086.48, 214,127.40 and 104,176.72 is: 143,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,086.48 : 214,127.40 = 104,176.72 : x
  2. Step 2: Convert to fraction form
    155,086.48/214,127.40 = 104,176.72/x
  3. Step 3: Cross multiply
    155,086.48x = 214,127.40 × 104,176.72
  4. Step 4: Simplify right side
    155,086.48x = 22,307,090,194.13
  5. Step 5: Solve for x
    x = 22,307,090,194.13/155,086.48
  6. Step 6: Final answer
    x = 143,836.46

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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.