Home / 190,288.60-285,087.30-155,037.40

Finding the Fourth Proportional to 190,288.60, 285,087.30 and 155,037.40

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Solution

The fourth proportional to 190,288.60, 285,087.30 and 155,037.40 is: 232,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288.60 : 285,087.30 = 155,037.40 : x
  2. Step 2: Convert to fraction form
    190,288.60/285,087.30 = 155,037.40/x
  3. Step 3: Cross multiply
    190,288.60x = 285,087.30 × 155,037.40
  4. Step 4: Simplify right side
    190,288.60x = 44,199,193,765.02
  5. Step 5: Solve for x
    x = 44,199,193,765.02/190,288.60
  6. Step 6: Final answer
    x = 232,274.52

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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.