Home / 178,990.11-268,485.06-52,631.40

Finding the Fourth Proportional to 178,990.11, 268,485.06 and 52,631.40

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Solution

The fourth proportional to 178,990.11, 268,485.06 and 52,631.40 is: 78,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.11 : 268,485.06 = 52,631.40 : x
  2. Step 2: Convert to fraction form
    178,990.11/268,485.06 = 52,631.40/x
  3. Step 3: Cross multiply
    178,990.11x = 268,485.06 × 52,631.40
  4. Step 4: Simplify right side
    178,990.11x = 14,130,745,791.07
  5. Step 5: Solve for x
    x = 14,130,745,791.07/178,990.11
  6. Step 6: Final answer
    x = 78,947.08

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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.