Home / 147,534.84-221,523.03-84,426.12

Finding the Fourth Proportional to 147,534.84, 221,523.03 and 84,426.12

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Solution

The fourth proportional to 147,534.84, 221,523.03 and 84,426.12 is: 126,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,534.84 : 221,523.03 = 84,426.12 : x
  2. Step 2: Convert to fraction form
    147,534.84/221,523.03 = 84,426.12/x
  3. Step 3: Cross multiply
    147,534.84x = 221,523.03 × 84,426.12
  4. Step 4: Simplify right side
    147,534.84x = 18,702,329,913.54
  5. Step 5: Solve for x
    x = 18,702,329,913.54/147,534.84
  6. Step 6: Final answer
    x = 126,765.51

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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.