Home / 190,288.60-285,432.06-48,135.20

Finding the Fourth Proportional to 190,288.60, 285,432.06 and 48,135.20

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Solution

The fourth proportional to 190,288.60, 285,432.06 and 48,135.20 is: 72,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288.60 : 285,432.06 = 48,135.20 : x
  2. Step 2: Convert to fraction form
    190,288.60/285,432.06 = 48,135.20/x
  3. Step 3: Cross multiply
    190,288.60x = 285,432.06 × 48,135.20
  4. Step 4: Simplify right side
    190,288.60x = 13,739,329,294.51
  5. Step 5: Solve for x
    x = 13,739,329,294.51/190,288.60
  6. Step 6: Final answer
    x = 72,202.59

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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.