Home / 162,135.65-243,298.24-117,112.61

Finding the Fourth Proportional to 162,135.65, 243,298.24 and 117,112.61

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Solution

The fourth proportional to 162,135.65, 243,298.24 and 117,112.61 is: 175,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,135.65 : 243,298.24 = 117,112.61 : x
  2. Step 2: Convert to fraction form
    162,135.65/243,298.24 = 117,112.61/x
  3. Step 3: Cross multiply
    162,135.65x = 243,298.24 × 117,112.61
  4. Step 4: Simplify right side
    162,135.65x = 28,493,292,210.27
  5. Step 5: Solve for x
    x = 28,493,292,210.27/162,135.65
  6. Step 6: Final answer
    x = 175,737.36

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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.