Home / 145,375.49-200,588.77-84,934.46

Finding the Fourth Proportional to 145,375.49, 200,588.77 and 84,934.46

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Solution

The fourth proportional to 145,375.49, 200,588.77 and 84,934.46 is: 117,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,375.49 : 200,588.77 = 84,934.46 : x
  2. Step 2: Convert to fraction form
    145,375.49/200,588.77 = 84,934.46/x
  3. Step 3: Cross multiply
    145,375.49x = 200,588.77 × 84,934.46
  4. Step 4: Simplify right side
    145,375.49x = 17,036,898,862.01
  5. Step 5: Solve for x
    x = 17,036,898,862.01/145,375.49
  6. Step 6: Final answer
    x = 117,192.37

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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.