Home / 142,182.67-196,216.92-84,089.20

Finding the Fourth Proportional to 142,182.67, 196,216.92 and 84,089.20

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Solution

The fourth proportional to 142,182.67, 196,216.92 and 84,089.20 is: 116,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,182.67 : 196,216.92 = 84,089.20 : x
  2. Step 2: Convert to fraction form
    142,182.67/196,216.92 = 84,089.20/x
  3. Step 3: Cross multiply
    142,182.67x = 196,216.92 × 84,089.20
  4. Step 4: Simplify right side
    142,182.67x = 16,499,724,389.87
  5. Step 5: Solve for x
    x = 16,499,724,389.87/142,182.67
  6. Step 6: Final answer
    x = 116,045.96

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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.