Home / 141,172.12-211,628.20-61,159.80

Finding the Fourth Proportional to 141,172.12, 211,628.20 and 61,159.80

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Solution

The fourth proportional to 141,172.12, 211,628.20 and 61,159.80 is: 91,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.12 : 211,628.20 = 61,159.80 : x
  2. Step 2: Convert to fraction form
    141,172.12/211,628.20 = 61,159.80/x
  3. Step 3: Cross multiply
    141,172.12x = 211,628.20 × 61,159.80
  4. Step 4: Simplify right side
    141,172.12x = 12,943,138,386.36
  5. Step 5: Solve for x
    x = 12,943,138,386.36/141,172.12
  6. Step 6: Final answer
    x = 91,683.39

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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.