Home / 130,487.08-195,730.62-123,838.60

Finding the Fourth Proportional to 130,487.08, 195,730.62 and 123,838.60

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Solution

The fourth proportional to 130,487.08, 195,730.62 and 123,838.60 is: 185,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487.08 : 195,730.62 = 123,838.60 : x
  2. Step 2: Convert to fraction form
    130,487.08/195,730.62 = 123,838.60/x
  3. Step 3: Cross multiply
    130,487.08x = 195,730.62 × 123,838.60
  4. Step 4: Simplify right side
    130,487.08x = 24,239,005,957.93
  5. Step 5: Solve for x
    x = 24,239,005,957.93/130,487.08
  6. Step 6: Final answer
    x = 185,757.90

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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.