Home / 117,575.40-162,259.68-72,255.24

Finding the Fourth Proportional to 117,575.40, 162,259.68 and 72,255.24

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Solution

The fourth proportional to 117,575.40, 162,259.68 and 72,255.24 is: 99,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,575.40 : 162,259.68 = 72,255.24 : x
  2. Step 2: Convert to fraction form
    117,575.40/162,259.68 = 72,255.24/x
  3. Step 3: Cross multiply
    117,575.40x = 162,259.68 × 72,255.24
  4. Step 4: Simplify right side
    117,575.40x = 11,724,112,120.72
  5. Step 5: Solve for x
    x = 11,724,112,120.72/117,575.40
  6. Step 6: Final answer
    x = 99,715.69

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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.