Home / 127,807.34-176,377.73-71,222.36

Finding the Fourth Proportional to 127,807.34, 176,377.73 and 71,222.36

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Solution

The fourth proportional to 127,807.34, 176,377.73 and 71,222.36 is: 98,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,807.34 : 176,377.73 = 71,222.36 : x
  2. Step 2: Convert to fraction form
    127,807.34/176,377.73 = 71,222.36/x
  3. Step 3: Cross multiply
    127,807.34x = 176,377.73 × 71,222.36
  4. Step 4: Simplify right side
    127,807.34x = 12,562,036,944.04
  5. Step 5: Solve for x
    x = 12,562,036,944.04/127,807.34
  6. Step 6: Final answer
    x = 98,288.86

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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.