Home / 127,300.54-175,529.81-81,298.21

Finding the Fourth Proportional to 127,300.54, 175,529.81 and 81,298.21

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Solution

The fourth proportional to 127,300.54, 175,529.81 and 81,298.21 is: 112,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.54 : 175,529.81 = 81,298.21 : x
  2. Step 2: Convert to fraction form
    127,300.54/175,529.81 = 81,298.21/x
  3. Step 3: Cross multiply
    127,300.54x = 175,529.81 × 81,298.21
  4. Step 4: Simplify right side
    127,300.54x = 14,270,259,354.64
  5. Step 5: Solve for x
    x = 14,270,259,354.64/127,300.54
  6. Step 6: Final answer
    x = 112,098.97

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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.