Home / 133,030.30-199,545.45-130,405.90

Finding the Fourth Proportional to 133,030.30, 199,545.45 and 130,405.90

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Solution

The fourth proportional to 133,030.30, 199,545.45 and 130,405.90 is: 195,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.30 : 199,545.45 = 130,405.90 : x
  2. Step 2: Convert to fraction form
    133,030.30/199,545.45 = 130,405.90/x
  3. Step 3: Cross multiply
    133,030.30x = 199,545.45 × 130,405.90
  4. Step 4: Simplify right side
    133,030.30x = 26,021,903,998.16
  5. Step 5: Solve for x
    x = 26,021,903,998.16/133,030.30
  6. Step 6: Final answer
    x = 195,608.85

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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.