Home / 115,422.20-173,165.70-56,259.80

Finding the Fourth Proportional to 115,422.20, 173,165.70 and 56,259.80

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Solution

The fourth proportional to 115,422.20, 173,165.70 and 56,259.80 is: 84,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.20 : 173,165.70 = 56,259.80 : x
  2. Step 2: Convert to fraction form
    115,422.20/173,165.70 = 56,259.80/x
  3. Step 3: Cross multiply
    115,422.20x = 173,165.70 × 56,259.80
  4. Step 4: Simplify right side
    115,422.20x = 9,742,267,648.86
  5. Step 5: Solve for x
    x = 9,742,267,648.86/115,422.20
  6. Step 6: Final answer
    x = 84,405.49

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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.