Home / 145,945.80-218,492.19-131,938.07

Finding the Fourth Proportional to 145,945.80, 218,492.19 and 131,938.07

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Solution

The fourth proportional to 145,945.80, 218,492.19 and 131,938.07 is: 197,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.80 : 218,492.19 = 131,938.07 : x
  2. Step 2: Convert to fraction form
    145,945.80/218,492.19 = 131,938.07/x
  3. Step 3: Cross multiply
    145,945.80x = 218,492.19 × 131,938.07
  4. Step 4: Simplify right side
    145,945.80x = 28,827,436,766.21
  5. Step 5: Solve for x
    x = 28,827,436,766.21/145,945.80
  6. Step 6: Final answer
    x = 197,521.52

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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.