Home / 199,664.70-299,295.45-99,671.10

Finding the Fourth Proportional to 199,664.70, 299,295.45 and 99,671.10

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Solution

The fourth proportional to 199,664.70, 299,295.45 and 99,671.10 is: 149,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.70 : 299,295.45 = 99,671.10 : x
  2. Step 2: Convert to fraction form
    199,664.70/299,295.45 = 99,671.10/x
  3. Step 3: Cross multiply
    199,664.70x = 299,295.45 × 99,671.10
  4. Step 4: Simplify right side
    199,664.70x = 29,831,106,726.50
  5. Step 5: Solve for x
    x = 29,831,106,726.50/199,664.70
  6. Step 6: Final answer
    x = 149,406.01

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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.