Home / 179,412.72-268,865.35-99,485.90

Finding the Fourth Proportional to 179,412.72, 268,865.35 and 99,485.90

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Solution

The fourth proportional to 179,412.72, 268,865.35 and 99,485.90 is: 149,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,412.72 : 268,865.35 = 99,485.90 : x
  2. Step 2: Convert to fraction form
    179,412.72/268,865.35 = 99,485.90/x
  3. Step 3: Cross multiply
    179,412.72x = 268,865.35 × 99,485.90
  4. Step 4: Simplify right side
    179,412.72x = 26,748,311,323.57
  5. Step 5: Solve for x
    x = 26,748,311,323.57/179,412.72
  6. Step 6: Final answer
    x = 149,088.15

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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.