Home / 104,182.08-143,780.16-58,868.40

Finding the Fourth Proportional to 104,182.08, 143,780.16 and 58,868.40

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Solution

The fourth proportional to 104,182.08, 143,780.16 and 58,868.40 is: 81,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.08 : 143,780.16 = 58,868.40 : x
  2. Step 2: Convert to fraction form
    104,182.08/143,780.16 = 58,868.40/x
  3. Step 3: Cross multiply
    104,182.08x = 143,780.16 × 58,868.40
  4. Step 4: Simplify right side
    104,182.08x = 8,464,107,970.94
  5. Step 5: Solve for x
    x = 8,464,107,970.94/104,182.08
  6. Step 6: Final answer
    x = 81,243.42

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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.