Home / 113,350.80-170,026.20-101,103.60

Finding the Fourth Proportional to 113,350.80, 170,026.20 and 101,103.60

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Solution

The fourth proportional to 113,350.80, 170,026.20 and 101,103.60 is: 151,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,350.80 : 170,026.20 = 101,103.60 : x
  2. Step 2: Convert to fraction form
    113,350.80/170,026.20 = 101,103.60/x
  3. Step 3: Cross multiply
    113,350.80x = 170,026.20 × 101,103.60
  4. Step 4: Simplify right side
    113,350.80x = 17,190,260,914.32
  5. Step 5: Solve for x
    x = 17,190,260,914.32/113,350.80
  6. Step 6: Final answer
    x = 151,655.40

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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.