Home / 128,484-192,598.02-61,905.24

Finding the Fourth Proportional to 128,484, 192,598.02 and 61,905.24

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Solution

The fourth proportional to 128,484, 192,598.02 and 61,905.24 is: 92,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,484 : 192,598.02 = 61,905.24 : x
  2. Step 2: Convert to fraction form
    128,484/192,598.02 = 61,905.24/x
  3. Step 3: Cross multiply
    128,484x = 192,598.02 × 61,905.24
  4. Step 4: Simplify right side
    128,484x = 11,922,826,651.62
  5. Step 5: Solve for x
    x = 11,922,826,651.62/128,484
  6. Step 6: Final answer
    x = 92,796.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.