Home / 77,164.35-115,430.77-58,304.21

Finding the Fourth Proportional to 77,164.35, 115,430.77 and 58,304.21

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Solution

The fourth proportional to 77,164.35, 115,430.77 and 58,304.21 is: 87,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,164.35 : 115,430.77 = 58,304.21 : x
  2. Step 2: Convert to fraction form
    77,164.35/115,430.77 = 58,304.21/x
  3. Step 3: Cross multiply
    77,164.35x = 115,430.77 × 58,304.21
  4. Step 4: Simplify right side
    77,164.35x = 6,730,099,350.27
  5. Step 5: Solve for x
    x = 6,730,099,350.27/77,164.35
  6. Step 6: Final answer
    x = 87,217.73

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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.