Home / 110,327.20-165,490.80-66,090.40

Finding the Fourth Proportional to 110,327.20, 165,490.80 and 66,090.40

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Solution

The fourth proportional to 110,327.20, 165,490.80 and 66,090.40 is: 99,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,327.20 : 165,490.80 = 66,090.40 : x
  2. Step 2: Convert to fraction form
    110,327.20/165,490.80 = 66,090.40/x
  3. Step 3: Cross multiply
    110,327.20x = 165,490.80 × 66,090.40
  4. Step 4: Simplify right side
    110,327.20x = 10,937,353,168.32
  5. Step 5: Solve for x
    x = 10,937,353,168.32/110,327.20
  6. Step 6: Final answer
    x = 99,135.60

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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.