Home / 145,945.80-218,492.16-131,938.08

Finding the Fourth Proportional to 145,945.80, 218,492.16 and 131,938.08

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Solution

The fourth proportional to 145,945.80, 218,492.16 and 131,938.08 is: 197,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.80 : 218,492.16 = 131,938.08 : x
  2. Step 2: Convert to fraction form
    145,945.80/218,492.16 = 131,938.08/x
  3. Step 3: Cross multiply
    145,945.80x = 218,492.16 × 131,938.08
  4. Step 4: Simplify right side
    145,945.80x = 28,827,436,085.45
  5. Step 5: Solve for x
    x = 28,827,436,085.45/145,945.80
  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.