Home / 239,835.37-330,967.55-130,935.98

Finding the Fourth Proportional to 239,835.37, 330,967.55 and 130,935.98

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Solution

The fourth proportional to 239,835.37, 330,967.55 and 130,935.98 is: 180,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,835.37 : 330,967.55 = 130,935.98 : x
  2. Step 2: Convert to fraction form
    239,835.37/330,967.55 = 130,935.98/x
  3. Step 3: Cross multiply
    239,835.37x = 330,967.55 × 130,935.98
  4. Step 4: Simplify right side
    239,835.37x = 43,335,559,852.77
  5. Step 5: Solve for x
    x = 43,335,559,852.77/239,835.37
  6. Step 6: Final answer
    x = 180,688.78

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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.