Home / 113,415.10-170,003.96-42,309.12

Finding the Fourth Proportional to 113,415.10, 170,003.96 and 42,309.12

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Solution

The fourth proportional to 113,415.10, 170,003.96 and 42,309.12 is: 63,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.10 : 170,003.96 = 42,309.12 : x
  2. Step 2: Convert to fraction form
    113,415.10/170,003.96 = 42,309.12/x
  3. Step 3: Cross multiply
    113,415.10x = 170,003.96 × 42,309.12
  4. Step 4: Simplify right side
    113,415.10x = 7,192,718,528.74
  5. Step 5: Solve for x
    x = 7,192,718,528.74/113,415.10
  6. Step 6: Final answer
    x = 63,419.41

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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.