Home / 142,752.65-197,019.68-82,311.53

Finding the Fourth Proportional to 142,752.65, 197,019.68 and 82,311.53

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Solution

The fourth proportional to 142,752.65, 197,019.68 and 82,311.53 is: 113,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,752.65 : 197,019.68 = 82,311.53 : x
  2. Step 2: Convert to fraction form
    142,752.65/197,019.68 = 82,311.53/x
  3. Step 3: Cross multiply
    142,752.65x = 197,019.68 × 82,311.53
  4. Step 4: Simplify right side
    142,752.65x = 16,216,989,904.25
  5. Step 5: Solve for x
    x = 16,216,989,904.25/142,752.65
  6. Step 6: Final answer
    x = 113,602.03

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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.