Home / 76,156.90-114,167.52-36,151.20

Finding the Fourth Proportional to 76,156.90, 114,167.52 and 36,151.20

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Solution

The fourth proportional to 76,156.90, 114,167.52 and 36,151.20 is: 54,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,156.90 : 114,167.52 = 36,151.20 : x
  2. Step 2: Convert to fraction form
    76,156.90/114,167.52 = 36,151.20/x
  3. Step 3: Cross multiply
    76,156.90x = 114,167.52 × 36,151.20
  4. Step 4: Simplify right side
    76,156.90x = 4,127,292,849.02
  5. Step 5: Solve for x
    x = 4,127,292,849.02/76,156.90
  6. Step 6: Final answer
    x = 54,194.60

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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.