Home / 113,627.47-170,441.21-43,506.78

Finding the Fourth Proportional to 113,627.47, 170,441.21 and 43,506.78

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Solution

The fourth proportional to 113,627.47, 170,441.21 and 43,506.78 is: 65,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,627.47 : 170,441.21 = 43,506.78 : x
  2. Step 2: Convert to fraction form
    113,627.47/170,441.21 = 43,506.78/x
  3. Step 3: Cross multiply
    113,627.47x = 170,441.21 × 43,506.78
  4. Step 4: Simplify right side
    113,627.47x = 7,415,348,008.87
  5. Step 5: Solve for x
    x = 7,415,348,008.87/113,627.47
  6. Step 6: Final answer
    x = 65,260.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.