Home / 90,132.96-134,539.26-79,492.44

Finding the Fourth Proportional to 90,132.96, 134,539.26 and 79,492.44

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Solution

The fourth proportional to 90,132.96, 134,539.26 and 79,492.44 is: 118,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132.96 : 134,539.26 = 79,492.44 : x
  2. Step 2: Convert to fraction form
    90,132.96/134,539.26 = 79,492.44/x
  3. Step 3: Cross multiply
    90,132.96x = 134,539.26 × 79,492.44
  4. Step 4: Simplify right side
    90,132.96x = 10,694,854,053.19
  5. Step 5: Solve for x
    x = 10,694,854,053.19/90,132.96
  6. Step 6: Final answer
    x = 118,656.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.