Home / 110,265.60-152,190.72-72,543.36

Finding the Fourth Proportional to 110,265.60, 152,190.72 and 72,543.36

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Solution

The fourth proportional to 110,265.60, 152,190.72 and 72,543.36 is: 100,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,265.60 : 152,190.72 = 72,543.36 : x
  2. Step 2: Convert to fraction form
    110,265.60/152,190.72 = 72,543.36/x
  3. Step 3: Cross multiply
    110,265.60x = 152,190.72 × 72,543.36
  4. Step 4: Simplify right side
    110,265.60x = 11,040,426,189.62
  5. Step 5: Solve for x
    x = 11,040,426,189.62/110,265.60
  6. Step 6: Final answer
    x = 100,125.75

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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.