Home / 222,723.60-334,117.80-72,938.40

Finding the Fourth Proportional to 222,723.60, 334,117.80 and 72,938.40

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Solution

The fourth proportional to 222,723.60, 334,117.80 and 72,938.40 is: 109,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,723.60 : 334,117.80 = 72,938.40 : x
  2. Step 2: Convert to fraction form
    222,723.60/334,117.80 = 72,938.40/x
  3. Step 3: Cross multiply
    222,723.60x = 334,117.80 × 72,938.40
  4. Step 4: Simplify right side
    222,723.60x = 24,370,017,743.52
  5. Step 5: Solve for x
    x = 24,370,017,743.52/222,723.60
  6. Step 6: Final answer
    x = 109,418.21

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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.