Home / 104,726.80-157,090.20-103,171.60

Finding the Fourth Proportional to 104,726.80, 157,090.20 and 103,171.60

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Solution

The fourth proportional to 104,726.80, 157,090.20 and 103,171.60 is: 154,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.80 : 157,090.20 = 103,171.60 : x
  2. Step 2: Convert to fraction form
    104,726.80/157,090.20 = 103,171.60/x
  3. Step 3: Cross multiply
    104,726.80x = 157,090.20 × 103,171.60
  4. Step 4: Simplify right side
    104,726.80x = 16,207,247,278.32
  5. Step 5: Solve for x
    x = 16,207,247,278.32/104,726.80
  6. Step 6: Final answer
    x = 154,757.40

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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.