Home / 144,902.20-217,094.10-89,433.40

Finding the Fourth Proportional to 144,902.20, 217,094.10 and 89,433.40

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Solution

The fourth proportional to 144,902.20, 217,094.10 and 89,433.40 is: 133,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,902.20 : 217,094.10 = 89,433.40 : x
  2. Step 2: Convert to fraction form
    144,902.20/217,094.10 = 89,433.40/x
  3. Step 3: Cross multiply
    144,902.20x = 217,094.10 × 89,433.40
  4. Step 4: Simplify right side
    144,902.20x = 19,415,463,482.94
  5. Step 5: Solve for x
    x = 19,415,463,482.94/144,902.20
  6. Step 6: Final answer
    x = 133,990.12

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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.