Home / 162,734.40-243,923.40-57,499.20

Finding the Fourth Proportional to 162,734.40, 243,923.40 and 57,499.20

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Solution

The fourth proportional to 162,734.40, 243,923.40 and 57,499.20 is: 86,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,734.40 : 243,923.40 = 57,499.20 : x
  2. Step 2: Convert to fraction form
    162,734.40/243,923.40 = 57,499.20/x
  3. Step 3: Cross multiply
    162,734.40x = 243,923.40 × 57,499.20
  4. Step 4: Simplify right side
    162,734.40x = 14,025,400,361.28
  5. Step 5: Solve for x
    x = 14,025,400,361.28/162,734.40
  6. Step 6: Final answer
    x = 86,185.84

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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.