Home / 117,531.36-162,082.08-77,173.92

Finding the Fourth Proportional to 117,531.36, 162,082.08 and 77,173.92

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Solution

The fourth proportional to 117,531.36, 162,082.08 and 77,173.92 is: 106,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.36 : 162,082.08 = 77,173.92 : x
  2. Step 2: Convert to fraction form
    117,531.36/162,082.08 = 77,173.92/x
  3. Step 3: Cross multiply
    117,531.36x = 162,082.08 × 77,173.92
  4. Step 4: Simplify right side
    117,531.36x = 12,508,509,475.35
  5. Step 5: Solve for x
    x = 12,508,509,475.35/117,531.36
  6. Step 6: Final answer
    x = 106,427.00

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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.