Home / 109,905.17-164,857.95-53,749.89

Finding the Fourth Proportional to 109,905.17, 164,857.95 and 53,749.89

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Solution

The fourth proportional to 109,905.17, 164,857.95 and 53,749.89 is: 80,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.17 : 164,857.95 = 53,749.89 : x
  2. Step 2: Convert to fraction form
    109,905.17/164,857.95 = 53,749.89/x
  3. Step 3: Cross multiply
    109,905.17x = 164,857.95 × 53,749.89
  4. Step 4: Simplify right side
    109,905.17x = 8,861,096,678.13
  5. Step 5: Solve for x
    x = 8,861,096,678.13/109,905.17
  6. Step 6: Final answer
    x = 80,624.93

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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.