Home / 144,827.67-199,824.66-87,421.62

Finding the Fourth Proportional to 144,827.67, 199,824.66 and 87,421.62

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Solution

The fourth proportional to 144,827.67, 199,824.66 and 87,421.62 is: 120,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827.67 : 199,824.66 = 87,421.62 : x
  2. Step 2: Convert to fraction form
    144,827.67/199,824.66 = 87,421.62/x
  3. Step 3: Cross multiply
    144,827.67x = 199,824.66 × 87,421.62
  4. Step 4: Simplify right side
    144,827.67x = 17,468,995,493.15
  5. Step 5: Solve for x
    x = 17,468,995,493.15/144,827.67
  6. Step 6: Final answer
    x = 120,619.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.