Home / 113,408.07-156,437.94-70,892.79

Finding the Fourth Proportional to 113,408.07, 156,437.94 and 70,892.79

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Solution

The fourth proportional to 113,408.07, 156,437.94 and 70,892.79 is: 97,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,408.07 : 156,437.94 = 70,892.79 : x
  2. Step 2: Convert to fraction form
    113,408.07/156,437.94 = 70,892.79/x
  3. Step 3: Cross multiply
    113,408.07x = 156,437.94 × 70,892.79
  4. Step 4: Simplify right side
    113,408.07x = 11,090,322,028.45
  5. Step 5: Solve for x
    x = 11,090,322,028.45/113,408.07
  6. Step 6: Final answer
    x = 97,791.29

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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.