Home / 145,392.25-217,999.06-56,542.17

Finding the Fourth Proportional to 145,392.25, 217,999.06 and 56,542.17

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Solution

The fourth proportional to 145,392.25, 217,999.06 and 56,542.17 is: 84,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,392.25 : 217,999.06 = 56,542.17 : x
  2. Step 2: Convert to fraction form
    145,392.25/217,999.06 = 56,542.17/x
  3. Step 3: Cross multiply
    145,392.25x = 217,999.06 × 56,542.17
  4. Step 4: Simplify right side
    145,392.25x = 12,326,139,910.36
  5. Step 5: Solve for x
    x = 12,326,139,910.36/145,392.25
  6. Step 6: Final answer
    x = 84,778.52

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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.