Home / 162,427.94-243,478.36-67,710.57

Finding the Fourth Proportional to 162,427.94, 243,478.36 and 67,710.57

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Solution

The fourth proportional to 162,427.94, 243,478.36 and 67,710.57 is: 101,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,427.94 : 243,478.36 = 67,710.57 : x
  2. Step 2: Convert to fraction form
    162,427.94/243,478.36 = 67,710.57/x
  3. Step 3: Cross multiply
    162,427.94x = 243,478.36 × 67,710.57
  4. Step 4: Simplify right side
    162,427.94x = 16,486,058,538.27
  5. Step 5: Solve for x
    x = 16,486,058,538.27/162,427.94
  6. Step 6: Final answer
    x = 101,497.68

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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.