Home / 199,369.40-275,182.18-113,378.58

Finding the Fourth Proportional to 199,369.40, 275,182.18 and 113,378.58

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Solution

The fourth proportional to 199,369.40, 275,182.18 and 113,378.58 is: 156,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,369.40 : 275,182.18 = 113,378.58 : x
  2. Step 2: Convert to fraction form
    199,369.40/275,182.18 = 113,378.58/x
  3. Step 3: Cross multiply
    199,369.40x = 275,182.18 × 113,378.58
  4. Step 4: Simplify right side
    199,369.40x = 31,199,764,809.70
  5. Step 5: Solve for x
    x = 31,199,764,809.70/199,369.40
  6. Step 6: Final answer
    x = 156,492.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.