Home / 104,468.02-144,166.62-56,721.40

Finding the Fourth Proportional to 104,468.02, 144,166.62 and 56,721.40

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Solution

The fourth proportional to 104,468.02, 144,166.62 and 56,721.40 is: 78,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,468.02 : 144,166.62 = 56,721.40 : x
  2. Step 2: Convert to fraction form
    104,468.02/144,166.62 = 56,721.40/x
  3. Step 3: Cross multiply
    104,468.02x = 144,166.62 × 56,721.40
  4. Step 4: Simplify right side
    104,468.02x = 8,177,332,519.67
  5. Step 5: Solve for x
    x = 8,177,332,519.67/104,468.02
  6. Step 6: Final answer
    x = 78,275.94

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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.