Home / 154,200.78-231,242.85-60,655.50

Finding the Fourth Proportional to 154,200.78, 231,242.85 and 60,655.50

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Solution

The fourth proportional to 154,200.78, 231,242.85 and 60,655.50 is: 90,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,200.78 : 231,242.85 = 60,655.50 : x
  2. Step 2: Convert to fraction form
    154,200.78/231,242.85 = 60,655.50/x
  3. Step 3: Cross multiply
    154,200.78x = 231,242.85 × 60,655.50
  4. Step 4: Simplify right side
    154,200.78x = 14,026,150,688.18
  5. Step 5: Solve for x
    x = 14,026,150,688.18/154,200.78
  6. Step 6: Final answer
    x = 90,960.31

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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.