Home / 91,627.60-138,065.63-75,352.24

Finding the Fourth Proportional to 91,627.60, 138,065.63 and 75,352.24

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Solution

The fourth proportional to 91,627.60, 138,065.63 and 75,352.24 is: 113,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.60 : 138,065.63 = 75,352.24 : x
  2. Step 2: Convert to fraction form
    91,627.60/138,065.63 = 75,352.24/x
  3. Step 3: Cross multiply
    91,627.60x = 138,065.63 × 75,352.24
  4. Step 4: Simplify right side
    91,627.60x = 10,403,554,487.51
  5. Step 5: Solve for x
    x = 10,403,554,487.51/91,627.60
  6. Step 6: Final answer
    x = 113,541.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.