Home / 110,400.12-165,624.75-40,279.41

Finding the Fourth Proportional to 110,400.12, 165,624.75 and 40,279.41

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Solution

The fourth proportional to 110,400.12, 165,624.75 and 40,279.41 is: 60,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400.12 : 165,624.75 = 40,279.41 : x
  2. Step 2: Convert to fraction form
    110,400.12/165,624.75 = 40,279.41/x
  3. Step 3: Cross multiply
    110,400.12x = 165,624.75 × 40,279.41
  4. Step 4: Simplify right side
    110,400.12x = 6,671,267,211.40
  5. Step 5: Solve for x
    x = 6,671,267,211.40/110,400.12
  6. Step 6: Final answer
    x = 60,428.08

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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.