Home / 178,553.47-246,405.78-97,978.72

Finding the Fourth Proportional to 178,553.47, 246,405.78 and 97,978.72

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Solution

The fourth proportional to 178,553.47, 246,405.78 and 97,978.72 is: 135,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,553.47 : 246,405.78 = 97,978.72 : x
  2. Step 2: Convert to fraction form
    178,553.47/246,405.78 = 97,978.72/x
  3. Step 3: Cross multiply
    178,553.47x = 246,405.78 × 97,978.72
  4. Step 4: Simplify right side
    178,553.47x = 24,142,522,925.00
  5. Step 5: Solve for x
    x = 24,142,522,925.00/178,553.47
  6. Step 6: Final answer
    x = 135,211.73

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1.5x scale

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.