Home / 74,526.84-111,790.34-19,122.84

Finding the Fourth Proportional to 74,526.84, 111,790.34 and 19,122.84

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Solution

The fourth proportional to 74,526.84, 111,790.34 and 19,122.84 is: 28,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.84 : 111,790.34 = 19,122.84 : x
  2. Step 2: Convert to fraction form
    74,526.84/111,790.34 = 19,122.84/x
  3. Step 3: Cross multiply
    74,526.84x = 111,790.34 × 19,122.84
  4. Step 4: Simplify right side
    74,526.84x = 2,137,748,785.37
  5. Step 5: Solve for x
    x = 2,137,748,785.37/74,526.84
  6. Step 6: Final answer
    x = 28,684.28

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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.