Home / 145,574.48-200,896.70-81,914.52

Finding the Fourth Proportional to 145,574.48, 200,896.70 and 81,914.52

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Solution

The fourth proportional to 145,574.48, 200,896.70 and 81,914.52 is: 113,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,574.48 : 200,896.70 = 81,914.52 : x
  2. Step 2: Convert to fraction form
    145,574.48/200,896.70 = 81,914.52/x
  3. Step 3: Cross multiply
    145,574.48x = 200,896.70 × 81,914.52
  4. Step 4: Simplify right side
    145,574.48x = 16,456,356,750.08
  5. Step 5: Solve for x
    x = 16,456,356,750.08/145,574.48
  6. Step 6: Final answer
    x = 113,044.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.