Home / 81,200.24-121,799.03-24,274.28

Finding the Fourth Proportional to 81,200.24, 121,799.03 and 24,274.28

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Solution

The fourth proportional to 81,200.24, 121,799.03 and 24,274.28 is: 36,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,200.24 : 121,799.03 = 24,274.28 : x
  2. Step 2: Convert to fraction form
    81,200.24/121,799.03 = 24,274.28/x
  3. Step 3: Cross multiply
    81,200.24x = 121,799.03 × 24,274.28
  4. Step 4: Simplify right side
    81,200.24x = 2,956,583,941.07
  5. Step 5: Solve for x
    x = 2,956,583,941.07/81,200.24
  6. Step 6: Final answer
    x = 36,411.03

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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.