Home / 114,657.24-172,053.52-43,639.66

Finding the Fourth Proportional to 114,657.24, 172,053.52 and 43,639.66

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Solution

The fourth proportional to 114,657.24, 172,053.52 and 43,639.66 is: 65,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,657.24 : 172,053.52 = 43,639.66 : x
  2. Step 2: Convert to fraction form
    114,657.24/172,053.52 = 43,639.66/x
  3. Step 3: Cross multiply
    114,657.24x = 172,053.52 × 43,639.66
  4. Step 4: Simplify right side
    114,657.24x = 7,508,357,220.57
  5. Step 5: Solve for x
    x = 7,508,357,220.57/114,657.24
  6. Step 6: Final answer
    x = 65,485.24

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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.