Home / 162,479.04-243,628-50,127.36

Finding the Fourth Proportional to 162,479.04, 243,628 and 50,127.36

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Solution

The fourth proportional to 162,479.04, 243,628 and 50,127.36 is: 75,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.04 : 243,628 = 50,127.36 : x
  2. Step 2: Convert to fraction form
    162,479.04/243,628 = 50,127.36/x
  3. Step 3: Cross multiply
    162,479.04x = 243,628 × 50,127.36
  4. Step 4: Simplify right side
    162,479.04x = 12,212,428,462.08
  5. Step 5: Solve for x
    x = 12,212,428,462.08/162,479.04
  6. Step 6: Final answer
    x = 75,163.10

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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.