Home / 202,484.39-279,431.40-117,601.45

Finding the Fourth Proportional to 202,484.39, 279,431.40 and 117,601.45

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Solution

The fourth proportional to 202,484.39, 279,431.40 and 117,601.45 is: 162,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,484.39 : 279,431.40 = 117,601.45 : x
  2. Step 2: Convert to fraction form
    202,484.39/279,431.40 = 117,601.45/x
  3. Step 3: Cross multiply
    202,484.39x = 279,431.40 × 117,601.45
  4. Step 4: Simplify right side
    202,484.39x = 32,861,537,557.96
  5. Step 5: Solve for x
    x = 32,861,537,557.96/202,484.39
  6. Step 6: Final answer
    x = 162,291.71

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1.5x scale

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.