Home / 127,428.52-175,853.37-70,070.29

Finding the Fourth Proportional to 127,428.52, 175,853.37 and 70,070.29

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Solution

The fourth proportional to 127,428.52, 175,853.37 and 70,070.29 is: 96,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.52 : 175,853.37 = 70,070.29 : x
  2. Step 2: Convert to fraction form
    127,428.52/175,853.37 = 70,070.29/x
  3. Step 3: Cross multiply
    127,428.52x = 175,853.37 × 70,070.29
  4. Step 4: Simplify right side
    127,428.52x = 12,322,096,633.38
  5. Step 5: Solve for x
    x = 12,322,096,633.38/127,428.52
  6. Step 6: Final answer
    x = 96,698.11

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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.