Home / 104,962.72-144,847.62-57,216.04

Finding the Fourth Proportional to 104,962.72, 144,847.62 and 57,216.04

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Solution

The fourth proportional to 104,962.72, 144,847.62 and 57,216.04 is: 78,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,962.72 : 144,847.62 = 57,216.04 : x
  2. Step 2: Convert to fraction form
    104,962.72/144,847.62 = 57,216.04/x
  3. Step 3: Cross multiply
    104,962.72x = 144,847.62 × 57,216.04
  4. Step 4: Simplify right side
    104,962.72x = 8,287,607,219.82
  5. Step 5: Solve for x
    x = 8,287,607,219.82/104,962.72
  6. Step 6: Final answer
    x = 78,957.63

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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.