Home / 222,721.60-334,114.80-72,936.40

Finding the Fourth Proportional to 222,721.60, 334,114.80 and 72,936.40

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Solution

The fourth proportional to 222,721.60, 334,114.80 and 72,936.40 is: 109,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,721.60 : 334,114.80 = 72,936.40 : x
  2. Step 2: Convert to fraction form
    222,721.60/334,114.80 = 72,936.40/x
  3. Step 3: Cross multiply
    222,721.60x = 334,114.80 × 72,936.40
  4. Step 4: Simplify right side
    222,721.60x = 24,369,130,698.72
  5. Step 5: Solve for x
    x = 24,369,130,698.72/222,721.60
  6. Step 6: Final answer
    x = 109,415.21

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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.