Home / 113,205.70-156,175.41-70,690.42

Finding the Fourth Proportional to 113,205.70, 156,175.41 and 70,690.42

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Solution

The fourth proportional to 113,205.70, 156,175.41 and 70,690.42 is: 97,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,205.70 : 156,175.41 = 70,690.42 : x
  2. Step 2: Convert to fraction form
    113,205.70/156,175.41 = 70,690.42/x
  3. Step 3: Cross multiply
    113,205.70x = 156,175.41 × 70,690.42
  4. Step 4: Simplify right side
    113,205.70x = 11,040,105,326.57
  5. Step 5: Solve for x
    x = 11,040,105,326.57/113,205.70
  6. Step 6: Final answer
    x = 97,522.52

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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.