Home / 146,895.80-220,001.96-142,855.16

Finding the Fourth Proportional to 146,895.80, 220,001.96 and 142,855.16

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Solution

The fourth proportional to 146,895.80, 220,001.96 and 142,855.16 is: 213,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895.80 : 220,001.96 = 142,855.16 : x
  2. Step 2: Convert to fraction form
    146,895.80/220,001.96 = 142,855.16/x
  3. Step 3: Cross multiply
    146,895.80x = 220,001.96 × 142,855.16
  4. Step 4: Simplify right side
    146,895.80x = 31,428,415,196.11
  5. Step 5: Solve for x
    x = 31,428,415,196.11/146,895.80
  6. Step 6: Final answer
    x = 213,950.40

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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.