Home / 158,872.57-238,363.46-99,638.89

Finding the Fourth Proportional to 158,872.57, 238,363.46 and 99,638.89

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Solution

The fourth proportional to 158,872.57, 238,363.46 and 99,638.89 is: 149,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.57 : 238,363.46 = 99,638.89 : x
  2. Step 2: Convert to fraction form
    158,872.57/238,363.46 = 99,638.89/x
  3. Step 3: Cross multiply
    158,872.57x = 238,363.46 × 99,638.89
  4. Step 4: Simplify right side
    158,872.57x = 23,750,270,570.96
  5. Step 5: Solve for x
    x = 23,750,270,570.96/158,872.57
  6. Step 6: Final answer
    x = 149,492.58

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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.