Home / 141,252.12-211,705.96-78,069.70

Finding the Fourth Proportional to 141,252.12, 211,705.96 and 78,069.70

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Solution

The fourth proportional to 141,252.12, 211,705.96 and 78,069.70 is: 117,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,252.12 : 211,705.96 = 78,069.70 : x
  2. Step 2: Convert to fraction form
    141,252.12/211,705.96 = 78,069.70/x
  3. Step 3: Cross multiply
    141,252.12x = 211,705.96 × 78,069.70
  4. Step 4: Simplify right side
    141,252.12x = 16,527,820,785.41
  5. Step 5: Solve for x
    x = 16,527,820,785.41/141,252.12
  6. Step 6: Final answer
    x = 117,009.36

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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.