Home / 117,537.60-162,271.11-71,614.56

Finding the Fourth Proportional to 117,537.60, 162,271.11 and 71,614.56

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Solution

The fourth proportional to 117,537.60, 162,271.11 and 71,614.56 is: 98,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.60 : 162,271.11 = 71,614.56 : x
  2. Step 2: Convert to fraction form
    117,537.60/162,271.11 = 71,614.56/x
  3. Step 3: Cross multiply
    117,537.60x = 162,271.11 × 71,614.56
  4. Step 4: Simplify right side
    117,537.60x = 11,620,974,143.36
  5. Step 5: Solve for x
    x = 11,620,974,143.36/117,537.60
  6. Step 6: Final answer
    x = 98,870.27

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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.