Home / 141,283.91-211,718.50-71,066.63

Finding the Fourth Proportional to 141,283.91, 211,718.50 and 71,066.63

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Solution

The fourth proportional to 141,283.91, 211,718.50 and 71,066.63 is: 106,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,283.91 : 211,718.50 = 71,066.63 : x
  2. Step 2: Convert to fraction form
    141,283.91/211,718.50 = 71,066.63/x
  3. Step 3: Cross multiply
    141,283.91x = 211,718.50 × 71,066.63
  4. Step 4: Simplify right side
    141,283.91x = 15,046,120,303.66
  5. Step 5: Solve for x
    x = 15,046,120,303.66/141,283.91
  6. Step 6: Final answer
    x = 106,495.64

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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.