Home / 136,423.77-188,239.82-75,992.91

Finding the Fourth Proportional to 136,423.77, 188,239.82 and 75,992.91

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Solution

The fourth proportional to 136,423.77, 188,239.82 and 75,992.91 is: 104,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.77 : 188,239.82 = 75,992.91 : x
  2. Step 2: Convert to fraction form
    136,423.77/188,239.82 = 75,992.91/x
  3. Step 3: Cross multiply
    136,423.77x = 188,239.82 × 75,992.91
  4. Step 4: Simplify right side
    136,423.77x = 14,304,891,319.71
  5. Step 5: Solve for x
    x = 14,304,891,319.71/136,423.77
  6. Step 6: Final answer
    x = 104,856.30

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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.