Home / 178,990.49-268,485.63-52,631.78

Finding the Fourth Proportional to 178,990.49, 268,485.63 and 52,631.78

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Solution

The fourth proportional to 178,990.49, 268,485.63 and 52,631.78 is: 78,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.49 : 268,485.63 = 52,631.78 : x
  2. Step 2: Convert to fraction form
    178,990.49/268,485.63 = 52,631.78/x
  3. Step 3: Cross multiply
    178,990.49x = 268,485.63 × 52,631.78
  4. Step 4: Simplify right side
    178,990.49x = 14,130,875,268.89
  5. Step 5: Solve for x
    x = 14,130,875,268.89/178,990.49
  6. Step 6: Final answer
    x = 78,947.63

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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.