Home / 104,957.03-144,839.77-57,209.36

Finding the Fourth Proportional to 104,957.03, 144,839.77 and 57,209.36

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Solution

The fourth proportional to 104,957.03, 144,839.77 and 57,209.36 is: 78,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,957.03 : 144,839.77 = 57,209.36 : x
  2. Step 2: Convert to fraction form
    104,957.03/144,839.77 = 57,209.36/x
  3. Step 3: Cross multiply
    104,957.03x = 144,839.77 × 57,209.36
  4. Step 4: Simplify right side
    104,957.03x = 8,286,189,677.02
  5. Step 5: Solve for x
    x = 8,286,189,677.02/104,957.03
  6. Step 6: Final answer
    x = 78,948.40

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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.