Home / 146,895.30-220,001.22-142,854.66

Finding the Fourth Proportional to 146,895.30, 220,001.22 and 142,854.66

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Solution

The fourth proportional to 146,895.30, 220,001.22 and 142,854.66 is: 213,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895.30 : 220,001.22 = 142,854.66 : x
  2. Step 2: Convert to fraction form
    146,895.30/220,001.22 = 142,854.66/x
  3. Step 3: Cross multiply
    146,895.30x = 220,001.22 × 142,854.66
  4. Step 4: Simplify right side
    146,895.30x = 31,428,199,482.69
  5. Step 5: Solve for x
    x = 31,428,199,482.69/146,895.30
  6. Step 6: Final answer
    x = 213,949.66

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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.