Home / 136,215.77-204,321.60-61,283

Finding the Fourth Proportional to 136,215.77, 204,321.60 and 61,283

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Solution

The fourth proportional to 136,215.77, 204,321.60 and 61,283 is: 91,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,215.77 : 204,321.60 = 61,283 : x
  2. Step 2: Convert to fraction form
    136,215.77/204,321.60 = 61,283/x
  3. Step 3: Cross multiply
    136,215.77x = 204,321.60 × 61,283
  4. Step 4: Simplify right side
    136,215.77x = 12,521,440,612.80
  5. Step 5: Solve for x
    x = 12,521,440,612.80/136,215.77
  6. Step 6: Final answer
    x = 91,923.58

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1.5x scale

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.