Home / 141,011.22-211,328.91-74,435.70

Finding the Fourth Proportional to 141,011.22, 211,328.91 and 74,435.70

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Solution

The fourth proportional to 141,011.22, 211,328.91 and 74,435.70 is: 111,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,011.22 : 211,328.91 = 74,435.70 : x
  2. Step 2: Convert to fraction form
    141,011.22/211,328.91 = 74,435.70/x
  3. Step 3: Cross multiply
    141,011.22x = 211,328.91 × 74,435.70
  4. Step 4: Simplify right side
    141,011.22x = 15,730,415,346.09
  5. Step 5: Solve for x
    x = 15,730,415,346.09/141,011.22
  6. Step 6: Final answer
    x = 111,554.35

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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.