Home / 115,980.24-174,011.82-71,555.28

Finding the Fourth Proportional to 115,980.24, 174,011.82 and 71,555.28

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Solution

The fourth proportional to 115,980.24, 174,011.82 and 71,555.28 is: 107,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,980.24 : 174,011.82 = 71,555.28 : x
  2. Step 2: Convert to fraction form
    115,980.24/174,011.82 = 71,555.28/x
  3. Step 3: Cross multiply
    115,980.24x = 174,011.82 × 71,555.28
  4. Step 4: Simplify right side
    115,980.24x = 12,451,464,503.41
  5. Step 5: Solve for x
    x = 12,451,464,503.41/115,980.24
  6. Step 6: Final answer
    x = 107,358.50

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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.