Home / 104,466.02-144,161.61-56,721.20

Finding the Fourth Proportional to 104,466.02, 144,161.61 and 56,721.20

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Solution

The fourth proportional to 104,466.02, 144,161.61 and 56,721.20 is: 78,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,466.02 : 144,161.61 = 56,721.20 : x
  2. Step 2: Convert to fraction form
    104,466.02/144,161.61 = 56,721.20/x
  3. Step 3: Cross multiply
    104,466.02x = 144,161.61 × 56,721.20
  4. Step 4: Simplify right side
    104,466.02x = 8,177,018,792.32
  5. Step 5: Solve for x
    x = 8,177,018,792.32/104,466.02
  6. Step 6: Final answer
    x = 78,274.44

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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.