Home / 92,445.90-138,668.40-36,246.30

Finding the Fourth Proportional to 92,445.90, 138,668.40 and 36,246.30

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Solution

The fourth proportional to 92,445.90, 138,668.40 and 36,246.30 is: 54,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,445.90 : 138,668.40 = 36,246.30 : x
  2. Step 2: Convert to fraction form
    92,445.90/138,668.40 = 36,246.30/x
  3. Step 3: Cross multiply
    92,445.90x = 138,668.40 × 36,246.30
  4. Step 4: Simplify right side
    92,445.90x = 5,026,216,426.92
  5. Step 5: Solve for x
    x = 5,026,216,426.92/92,445.90
  6. Step 6: Final answer
    x = 54,369.27

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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.