Home / 147,205.45-220,840.76-53,710.93

Finding the Fourth Proportional to 147,205.45, 220,840.76 and 53,710.93

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Solution

The fourth proportional to 147,205.45, 220,840.76 and 53,710.93 is: 80,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,205.45 : 220,840.76 = 53,710.93 : x
  2. Step 2: Convert to fraction form
    147,205.45/220,840.76 = 53,710.93/x
  3. Step 3: Cross multiply
    147,205.45x = 220,840.76 × 53,710.93
  4. Step 4: Simplify right side
    147,205.45x = 11,861,562,601.51
  5. Step 5: Solve for x
    x = 11,861,562,601.51/147,205.45
  6. Step 6: Final answer
    x = 80,578.28

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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.