Home / 109,929.40-164,894.10-109,273.30

Finding the Fourth Proportional to 109,929.40, 164,894.10 and 109,273.30

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Solution

The fourth proportional to 109,929.40, 164,894.10 and 109,273.30 is: 163,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.40 : 164,894.10 = 109,273.30 : x
  2. Step 2: Convert to fraction form
    109,929.40/164,894.10 = 109,273.30/x
  3. Step 3: Cross multiply
    109,929.40x = 164,894.10 × 109,273.30
  4. Step 4: Simplify right side
    109,929.40x = 18,018,522,457.53
  5. Step 5: Solve for x
    x = 18,018,522,457.53/109,929.40
  6. Step 6: Final answer
    x = 163,909.95

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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.