Home / 145,948.30-218,495.94-131,940.57

Finding the Fourth Proportional to 145,948.30, 218,495.94 and 131,940.57

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Solution

The fourth proportional to 145,948.30, 218,495.94 and 131,940.57 is: 197,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,948.30 : 218,495.94 = 131,940.57 : x
  2. Step 2: Convert to fraction form
    145,948.30/218,495.94 = 131,940.57/x
  3. Step 3: Cross multiply
    145,948.30x = 218,495.94 × 131,940.57
  4. Step 4: Simplify right side
    145,948.30x = 28,828,478,866.29
  5. Step 5: Solve for x
    x = 28,828,478,866.29/145,948.30
  6. Step 6: Final answer
    x = 197,525.28

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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.