Home / 124,962.48-172,268.83-89,090.21

Finding the Fourth Proportional to 124,962.48, 172,268.83 and 89,090.21

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Solution

The fourth proportional to 124,962.48, 172,268.83 and 89,090.21 is: 122,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,962.48 : 172,268.83 = 89,090.21 : x
  2. Step 2: Convert to fraction form
    124,962.48/172,268.83 = 89,090.21/x
  3. Step 3: Cross multiply
    124,962.48x = 172,268.83 × 89,090.21
  4. Step 4: Simplify right side
    124,962.48x = 15,347,466,282.06
  5. Step 5: Solve for x
    x = 15,347,466,282.06/124,962.48
  6. Step 6: Final answer
    x = 122,816.59

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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.