Home / 104,927.20-144,801.12-57,180.40

Finding the Fourth Proportional to 104,927.20, 144,801.12 and 57,180.40

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Solution

The fourth proportional to 104,927.20, 144,801.12 and 57,180.40 is: 78,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.20 : 144,801.12 = 57,180.40 : x
  2. Step 2: Convert to fraction form
    104,927.20/144,801.12 = 57,180.40/x
  3. Step 3: Cross multiply
    104,927.20x = 144,801.12 × 57,180.40
  4. Step 4: Simplify right side
    104,927.20x = 8,279,785,962.05
  5. Step 5: Solve for x
    x = 8,279,785,962.05/104,927.20
  6. Step 6: Final answer
    x = 78,909.82

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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.