Home / 110,128.48-165,253.28-57,584.32

Finding the Fourth Proportional to 110,128.48, 165,253.28 and 57,584.32

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Solution

The fourth proportional to 110,128.48, 165,253.28 and 57,584.32 is: 86,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128.48 : 165,253.28 = 57,584.32 : x
  2. Step 2: Convert to fraction form
    110,128.48/165,253.28 = 57,584.32/x
  3. Step 3: Cross multiply
    110,128.48x = 165,253.28 × 57,584.32
  4. Step 4: Simplify right side
    110,128.48x = 9,515,997,756.57
  5. Step 5: Solve for x
    x = 9,515,997,756.57/110,128.48
  6. Step 6: Final answer
    x = 86,408.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.