Home / 142,960.65-197,281.89-82,529.25

Finding the Fourth Proportional to 142,960.65, 197,281.89 and 82,529.25

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Solution

The fourth proportional to 142,960.65, 197,281.89 and 82,529.25 is: 113,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,960.65 : 197,281.89 = 82,529.25 : x
  2. Step 2: Convert to fraction form
    142,960.65/197,281.89 = 82,529.25/x
  3. Step 3: Cross multiply
    142,960.65x = 197,281.89 × 82,529.25
  4. Step 4: Simplify right side
    142,960.65x = 16,281,526,420.28
  5. Step 5: Solve for x
    x = 16,281,526,420.28/142,960.65
  6. Step 6: Final answer
    x = 113,888.17

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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.