Home / 127,815.27-176,386.31-70,456.82

Finding the Fourth Proportional to 127,815.27, 176,386.31 and 70,456.82

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Solution

The fourth proportional to 127,815.27, 176,386.31 and 70,456.82 is: 97,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,815.27 : 176,386.31 = 70,456.82 : x
  2. Step 2: Convert to fraction form
    127,815.27/176,386.31 = 70,456.82/x
  3. Step 3: Cross multiply
    127,815.27x = 176,386.31 × 70,456.82
  4. Step 4: Simplify right side
    127,815.27x = 12,427,617,259.92
  5. Step 5: Solve for x
    x = 12,427,617,259.92/127,815.27
  6. Step 6: Final answer
    x = 97,231.08

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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.