Home / 117,537.64-162,248.24-79,319.81

Finding the Fourth Proportional to 117,537.64, 162,248.24 and 79,319.81

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Solution

The fourth proportional to 117,537.64, 162,248.24 and 79,319.81 is: 109,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.64 : 162,248.24 = 79,319.81 : x
  2. Step 2: Convert to fraction form
    117,537.64/162,248.24 = 79,319.81/x
  3. Step 3: Cross multiply
    117,537.64x = 162,248.24 × 79,319.81
  4. Step 4: Simplify right side
    117,537.64x = 12,869,500,173.55
  5. Step 5: Solve for x
    x = 12,869,500,173.55/117,537.64
  6. Step 6: Final answer
    x = 109,492.59

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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.