Home / 190,103.10-285,154.65-49,875.90

Finding the Fourth Proportional to 190,103.10, 285,154.65 and 49,875.90

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Solution

The fourth proportional to 190,103.10, 285,154.65 and 49,875.90 is: 74,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.10 : 285,154.65 = 49,875.90 : x
  2. Step 2: Convert to fraction form
    190,103.10/285,154.65 = 49,875.90/x
  3. Step 3: Cross multiply
    190,103.10x = 285,154.65 × 49,875.90
  4. Step 4: Simplify right side
    190,103.10x = 14,222,344,807.94
  5. Step 5: Solve for x
    x = 14,222,344,807.94/190,103.10
  6. Step 6: Final answer
    x = 74,813.85

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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.