Home / 236,539.45-326,455.70-134,545.22

Finding the Fourth Proportional to 236,539.45, 326,455.70 and 134,545.22

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Solution

The fourth proportional to 236,539.45, 326,455.70 and 134,545.22 is: 185,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,539.45 : 326,455.70 = 134,545.22 : x
  2. Step 2: Convert to fraction form
    236,539.45/326,455.70 = 134,545.22/x
  3. Step 3: Cross multiply
    236,539.45x = 326,455.70 × 134,545.22
  4. Step 4: Simplify right side
    236,539.45x = 43,923,053,976.75
  5. Step 5: Solve for x
    x = 43,923,053,976.75/236,539.45
  6. Step 6: Final answer
    x = 185,690.18

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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.