Home / 104,644.04-144,410.58-56,897.71

Finding the Fourth Proportional to 104,644.04, 144,410.58 and 56,897.71

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Solution

The fourth proportional to 104,644.04, 144,410.58 and 56,897.71 is: 78,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.04 : 144,410.58 = 56,897.71 : x
  2. Step 2: Convert to fraction form
    104,644.04/144,410.58 = 56,897.71/x
  3. Step 3: Cross multiply
    104,644.04x = 144,410.58 × 56,897.71
  4. Step 4: Simplify right side
    104,644.04x = 8,216,630,940.75
  5. Step 5: Solve for x
    x = 8,216,630,940.75/104,644.04
  6. Step 6: Final answer
    x = 78,519.82

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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.