Home / 90,741.48-125,202.66-53,021.16

Finding the Fourth Proportional to 90,741.48, 125,202.66 and 53,021.16

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Solution

The fourth proportional to 90,741.48, 125,202.66 and 53,021.16 is: 73,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741.48 : 125,202.66 = 53,021.16 : x
  2. Step 2: Convert to fraction form
    90,741.48/125,202.66 = 53,021.16/x
  3. Step 3: Cross multiply
    90,741.48x = 125,202.66 × 53,021.16
  4. Step 4: Simplify right side
    90,741.48x = 6,638,390,268.29
  5. Step 5: Solve for x
    x = 6,638,390,268.29/90,741.48
  6. Step 6: Final answer
    x = 73,157.17

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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.