Home / 146,950.07-220,487.52-80,312.35

Finding the Fourth Proportional to 146,950.07, 220,487.52 and 80,312.35

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Solution

The fourth proportional to 146,950.07, 220,487.52 and 80,312.35 is: 120,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,950.07 : 220,487.52 = 80,312.35 : x
  2. Step 2: Convert to fraction form
    146,950.07/220,487.52 = 80,312.35/x
  3. Step 3: Cross multiply
    146,950.07x = 220,487.52 × 80,312.35
  4. Step 4: Simplify right side
    146,950.07x = 17,707,870,588.48
  5. Step 5: Solve for x
    x = 17,707,870,588.48/146,950.07
  6. Step 6: Final answer
    x = 120,502.63

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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.