Home / 92,421.90-138,632.40-36,222.30

Finding the Fourth Proportional to 92,421.90, 138,632.40 and 36,222.30

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Solution

The fourth proportional to 92,421.90, 138,632.40 and 36,222.30 is: 54,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.90 : 138,632.40 = 36,222.30 : x
  2. Step 2: Convert to fraction form
    92,421.90/138,632.40 = 36,222.30/x
  3. Step 3: Cross multiply
    92,421.90x = 138,632.40 × 36,222.30
  4. Step 4: Simplify right side
    92,421.90x = 5,021,584,382.52
  5. Step 5: Solve for x
    x = 5,021,584,382.52/92,421.90
  6. Step 6: Final answer
    x = 54,333.27

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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.