Home / 141,017.40-211,713.81-81,895.50

Finding the Fourth Proportional to 141,017.40, 211,713.81 and 81,895.50

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Solution

The fourth proportional to 141,017.40, 211,713.81 and 81,895.50 is: 122,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,017.40 : 211,713.81 = 81,895.50 : x
  2. Step 2: Convert to fraction form
    141,017.40/211,713.81 = 81,895.50/x
  3. Step 3: Cross multiply
    141,017.40x = 211,713.81 × 81,895.50
  4. Step 4: Simplify right side
    141,017.40x = 17,338,408,326.86
  5. Step 5: Solve for x
    x = 17,338,408,326.86/141,017.40
  6. Step 6: Final answer
    x = 122,952.26

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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.