Home / 109,359.70-164,039.55-76,182.10

Finding the Fourth Proportional to 109,359.70, 164,039.55 and 76,182.10

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Solution

The fourth proportional to 109,359.70, 164,039.55 and 76,182.10 is: 114,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.70 : 164,039.55 = 76,182.10 : x
  2. Step 2: Convert to fraction form
    109,359.70/164,039.55 = 76,182.10/x
  3. Step 3: Cross multiply
    109,359.70x = 164,039.55 × 76,182.10
  4. Step 4: Simplify right side
    109,359.70x = 12,496,877,402.06
  5. Step 5: Solve for x
    x = 12,496,877,402.06/109,359.70
  6. Step 6: Final answer
    x = 114,273.15

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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.