Home / 92,157.42-138,231.27-45,394.50

Finding the Fourth Proportional to 92,157.42, 138,231.27 and 45,394.50

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Solution

The fourth proportional to 92,157.42, 138,231.27 and 45,394.50 is: 68,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,157.42 : 138,231.27 = 45,394.50 : x
  2. Step 2: Convert to fraction form
    92,157.42/138,231.27 = 45,394.50/x
  3. Step 3: Cross multiply
    92,157.42x = 138,231.27 × 45,394.50
  4. Step 4: Simplify right side
    92,157.42x = 6,274,939,386.02
  5. Step 5: Solve for x
    x = 6,274,939,386.02/92,157.42
  6. Step 6: Final answer
    x = 68,089.36

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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.