Home / 104,934.10-144,809.17-57,187.49

Finding the Fourth Proportional to 104,934.10, 144,809.17 and 57,187.49

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Solution

The fourth proportional to 104,934.10, 144,809.17 and 57,187.49 is: 78,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.10 : 144,809.17 = 57,187.49 : x
  2. Step 2: Convert to fraction form
    104,934.10/144,809.17 = 57,187.49/x
  3. Step 3: Cross multiply
    104,934.10x = 144,809.17 × 57,187.49
  4. Step 4: Simplify right side
    104,934.10x = 8,281,272,961.28
  5. Step 5: Solve for x
    x = 8,281,272,961.28/104,934.10
  6. Step 6: Final answer
    x = 78,918.80

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1.5x scale

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.