Home / 162,688.36-243,942-50,337.31

Finding the Fourth Proportional to 162,688.36, 243,942 and 50,337.31

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Solution

The fourth proportional to 162,688.36, 243,942 and 50,337.31 is: 75,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,688.36 : 243,942 = 50,337.31 : x
  2. Step 2: Convert to fraction form
    162,688.36/243,942 = 50,337.31/x
  3. Step 3: Cross multiply
    162,688.36x = 243,942 × 50,337.31
  4. Step 4: Simplify right side
    162,688.36x = 12,279,384,076.02
  5. Step 5: Solve for x
    x = 12,279,384,076.02/162,688.36
  6. Step 6: Final answer
    x = 75,477.95

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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.