Home / 143,670.20-215,281.80-54,875.25

Finding the Fourth Proportional to 143,670.20, 215,281.80 and 54,875.25

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Solution

The fourth proportional to 143,670.20, 215,281.80 and 54,875.25 is: 82,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,670.20 : 215,281.80 = 54,875.25 : x
  2. Step 2: Convert to fraction form
    143,670.20/215,281.80 = 54,875.25/x
  3. Step 3: Cross multiply
    143,670.20x = 215,281.80 × 54,875.25
  4. Step 4: Simplify right side
    143,670.20x = 11,813,642,595.45
  5. Step 5: Solve for x
    x = 11,813,642,595.45/143,670.20
  6. Step 6: Final answer
    x = 82,227.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.