Home / 155,632.79-214,773.66-91,090.33

Finding the Fourth Proportional to 155,632.79, 214,773.66 and 91,090.33

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Solution

The fourth proportional to 155,632.79, 214,773.66 and 91,090.33 is: 125,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,632.79 : 214,773.66 = 91,090.33 : x
  2. Step 2: Convert to fraction form
    155,632.79/214,773.66 = 91,090.33/x
  3. Step 3: Cross multiply
    155,632.79x = 214,773.66 × 91,090.33
  4. Step 4: Simplify right side
    155,632.79x = 19,563,803,027.77
  5. Step 5: Solve for x
    x = 19,563,803,027.77/155,632.79
  6. Step 6: Final answer
    x = 125,704.89

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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.