Home / 127,827.51-176,366.53-82,507.40

Finding the Fourth Proportional to 127,827.51, 176,366.53 and 82,507.40

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Solution

The fourth proportional to 127,827.51, 176,366.53 and 82,507.40 is: 113,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.51 : 176,366.53 = 82,507.40 : x
  2. Step 2: Convert to fraction form
    127,827.51/176,366.53 = 82,507.40/x
  3. Step 3: Cross multiply
    127,827.51x = 176,366.53 × 82,507.40
  4. Step 4: Simplify right side
    127,827.51x = 14,551,543,424.79
  5. Step 5: Solve for x
    x = 14,551,543,424.79/127,827.51
  6. Step 6: Final answer
    x = 113,837.34

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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.