Home / 90,627.93-125,016.16-84,213.29

Finding the Fourth Proportional to 90,627.93, 125,016.16 and 84,213.29

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Solution

The fourth proportional to 90,627.93, 125,016.16 and 84,213.29 is: 116,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.93 : 125,016.16 = 84,213.29 : x
  2. Step 2: Convert to fraction form
    90,627.93/125,016.16 = 84,213.29/x
  3. Step 3: Cross multiply
    90,627.93x = 125,016.16 × 84,213.29
  4. Step 4: Simplify right side
    90,627.93x = 10,528,021,693.46
  5. Step 5: Solve for x
    x = 10,528,021,693.46/90,627.93
  6. Step 6: Final answer
    x = 116,167.52

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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.