Home / 113,393.12-170,055.12-30,276.32

Finding the Fourth Proportional to 113,393.12, 170,055.12 and 30,276.32

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Solution

The fourth proportional to 113,393.12, 170,055.12 and 30,276.32 is: 45,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,393.12 : 170,055.12 = 30,276.32 : x
  2. Step 2: Convert to fraction form
    113,393.12/170,055.12 = 30,276.32/x
  3. Step 3: Cross multiply
    113,393.12x = 170,055.12 × 30,276.32
  4. Step 4: Simplify right side
    113,393.12x = 5,148,643,230.76
  5. Step 5: Solve for x
    x = 5,148,643,230.76/113,393.12
  6. Step 6: Final answer
    x = 45,405.25

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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.