Home / 99,299.55-136,901.70-82,240.95

Finding the Fourth Proportional to 99,299.55, 136,901.70 and 82,240.95

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Solution

The fourth proportional to 99,299.55, 136,901.70 and 82,240.95 is: 113,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.55 : 136,901.70 = 82,240.95 : x
  2. Step 2: Convert to fraction form
    99,299.55/136,901.70 = 82,240.95/x
  3. Step 3: Cross multiply
    99,299.55x = 136,901.70 × 82,240.95
  4. Step 4: Simplify right side
    99,299.55x = 11,258,925,864.62
  5. Step 5: Solve for x
    x = 11,258,925,864.62/99,299.55
  6. Step 6: Final answer
    x = 113,383.45

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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.