Home / 179,212.60-268,818.90-123,225.40

Finding the Fourth Proportional to 179,212.60, 268,818.90 and 123,225.40

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Solution

The fourth proportional to 179,212.60, 268,818.90 and 123,225.40 is: 184,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,212.60 : 268,818.90 = 123,225.40 : x
  2. Step 2: Convert to fraction form
    179,212.60/268,818.90 = 123,225.40/x
  3. Step 3: Cross multiply
    179,212.60x = 268,818.90 × 123,225.40
  4. Step 4: Simplify right side
    179,212.60x = 33,125,316,480.06
  5. Step 5: Solve for x
    x = 33,125,316,480.06/179,212.60
  6. Step 6: Final answer
    x = 184,838.10

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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.