Home / 127,983.41-176,652.23-74,285.72

Finding the Fourth Proportional to 127,983.41, 176,652.23 and 74,285.72

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Solution

The fourth proportional to 127,983.41, 176,652.23 and 74,285.72 is: 102,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,983.41 : 176,652.23 = 74,285.72 : x
  2. Step 2: Convert to fraction form
    127,983.41/176,652.23 = 74,285.72/x
  3. Step 3: Cross multiply
    127,983.41x = 176,652.23 × 74,285.72
  4. Step 4: Simplify right side
    127,983.41x = 13,122,737,502.91
  5. Step 5: Solve for x
    x = 13,122,737,502.91/127,983.41
  6. Step 6: Final answer
    x = 102,534.68

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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.