Home / 113,936.42-170,904.64-74,526.68

Finding the Fourth Proportional to 113,936.42, 170,904.64 and 74,526.68

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Solution

The fourth proportional to 113,936.42, 170,904.64 and 74,526.68 is: 111,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,936.42 : 170,904.64 = 74,526.68 : x
  2. Step 2: Convert to fraction form
    113,936.42/170,904.64 = 74,526.68/x
  3. Step 3: Cross multiply
    113,936.42x = 170,904.64 × 74,526.68
  4. Step 4: Simplify right side
    113,936.42x = 12,736,955,415.80
  5. Step 5: Solve for x
    x = 12,736,955,415.80/113,936.42
  6. Step 6: Final answer
    x = 111,790.03

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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.