Home / 149,384.60-205,867.20-106,869.32

Finding the Fourth Proportional to 149,384.60, 205,867.20 and 106,869.32

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Solution

The fourth proportional to 149,384.60, 205,867.20 and 106,869.32 is: 147,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,384.60 : 205,867.20 = 106,869.32 : x
  2. Step 2: Convert to fraction form
    149,384.60/205,867.20 = 106,869.32/x
  3. Step 3: Cross multiply
    149,384.60x = 205,867.20 × 106,869.32
  4. Step 4: Simplify right side
    149,384.60x = 22,000,887,674.30
  5. Step 5: Solve for x
    x = 22,000,887,674.30/149,384.60
  6. Step 6: Final answer
    x = 147,276.81

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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.