Home / 104,823.12-144,654-57,075.68

Finding the Fourth Proportional to 104,823.12, 144,654 and 57,075.68

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Solution

The fourth proportional to 104,823.12, 144,654 and 57,075.68 is: 78,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,823.12 : 144,654 = 57,075.68 : x
  2. Step 2: Convert to fraction form
    104,823.12/144,654 = 57,075.68/x
  3. Step 3: Cross multiply
    104,823.12x = 144,654 × 57,075.68
  4. Step 4: Simplify right side
    104,823.12x = 8,256,225,414.72
  5. Step 5: Solve for x
    x = 8,256,225,414.72/104,823.12
  6. Step 6: Final answer
    x = 78,763.40

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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.