Home / 155,360.48-214,365.31-90,817.25

Finding the Fourth Proportional to 155,360.48, 214,365.31 and 90,817.25

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Solution

The fourth proportional to 155,360.48, 214,365.31 and 90,817.25 is: 125,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,360.48 : 214,365.31 = 90,817.25 : x
  2. Step 2: Convert to fraction form
    155,360.48/214,365.31 = 90,817.25/x
  3. Step 3: Cross multiply
    155,360.48x = 214,365.31 × 90,817.25
  4. Step 4: Simplify right side
    155,360.48x = 19,468,066,650.73
  5. Step 5: Solve for x
    x = 19,468,066,650.73/155,360.48
  6. Step 6: Final answer
    x = 125,309.01

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1.5x scale

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.