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Finding the Fourth Proportional to 146,495.88, 219,752.40 and 56,539.08

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Solution

The fourth proportional to 146,495.88, 219,752.40 and 56,539.08 is: 84,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,495.88 : 219,752.40 = 56,539.08 : x
  2. Step 2: Convert to fraction form
    146,495.88/219,752.40 = 56,539.08/x
  3. Step 3: Cross multiply
    146,495.88x = 219,752.40 × 56,539.08
  4. Step 4: Simplify right side
    146,495.88x = 12,424,598,523.79
  5. Step 5: Solve for x
    x = 12,424,598,523.79/146,495.88
  6. Step 6: Final answer
    x = 84,811.93

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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.